20120156

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19421}}^1$

素因数の和:19469

約数の個数: 24

約数和(自身を含む): 41330016

約数和(自身を除く): 21209860

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19421, 38842, 77684, 135947, 271894, 543788, 718577, 1437154, 2874308, 5030039, 10060078, 20120156]

約数ペア:

[(1, 20120156), (2, 10060078), (4, 5030039), (7, 2874308), (14, 1437154), (28, 718577), (37, 543788), (74, 271894), (148, 135947), (259, 77684), (518, 38842), (1036, 19421)]