20156108

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11801}}^1$

素因数の和:11873

約数の個数: 24

約数和(自身を含む): 40976544

約数和(自身を除く): 20820436

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11801, 23602, 47204, 82607, 165214, 330428, 719861, 1439722, 2879444, 5039027, 10078054, 20156108]

約数ペア:

[(1, 20156108), (2, 10078054), (4, 5039027), (7, 2879444), (14, 1439722), (28, 719861), (61, 330428), (122, 165214), (244, 82607), (427, 47204), (854, 23602), (1708, 11801)]