A020492 - cp's OEIS frontend

A020492 Balanced numbers: numbers k such that phi(k) (A000010) divides sigma(k) (A000203).

n	a(n)
1	1
2	2
3	3
4	6
5	12
6	14
7	15
8	30
9	35
10	42
11	56
12	70
13	78
14	105
15	140
16	168
17	190
18	210
19	248
20	264
21	270
22	357
23	418
24	420
25	570
26	594
27	616
28	630
29	714
30	744
31	812
32	840
33	910
34	1045
35	1240
36	1254
37	1485
38	1672
39	1848
40	2090
41	2214
42	2376
43	2436
44	2580
45	2730
46	2970
47	3080
48	3135
49	3339
50	3596
51	3720
52	3828

[1, 2, 3, 6, 12, 14, 15, 30, 35, 42, 56, 70, 78, 105, 140, 168, 190, 210, 248, 264, 270, 357, 418, 420, 570, 594, 616, 630, 714, 744, 812, 840, 910, 1045, 1240, 1254, 1485, 1672, 1848, 2090, 2214, 2376, 2436, 2580, 2730, 2970, 3080, 3135, 3339, 3596, 3720, 3828]

cp's OEIS Frontend

A020492 Balanced numbers: numbers k such that phi(k) (A000010) divides sigma(k) (A000203).

Table of values

List of values