A215012 - cp's OEIS frontend

A215012 Composite numbers n such that sigma(n)/n leaves a remainder which divides n.

n	a(n)
1	12
2	18
3	20
4	24
5	40
6	56
7	88
8	104
9	180
10	196
11	224
12	234
13	240
14	360
15	368
16	420
17	464
18	540
19	600
20	650
21	780
22	992
23	1080
24	1344
25	1504
26	1872
27	1888
28	1890
29	1952
30	2016
31	2184
32	2352
33	2376
34	2688
35	3192
36	3276
37	3724
38	3744
39	4284
40	4320
41	4680

[12, 18, 20, 24, 40, 56, 88, 104, 180, 196, 224, 234, 240, 360, 368, 420, 464, 540, 600, 650, 780, 992, 1080, 1344, 1504, 1872, 1888, 1890, 1952, 2016, 2184, 2352, 2376, 2688, 3192, 3276, 3724, 3744, 4284, 4320, 4680]

cp's OEIS Frontend

A215012 Composite numbers n such that sigma(n)/n leaves a remainder which divides n.

Table of values

List of values