20172959828

素因数分解:

$2^2\times 7^1\times {\mathrm{61051}}^1\times {\mathrm{11801}}^1$

素因数の和:72863

約数の個数: 24

約数和(自身を含む): 40349999424

約数和(自身を除く): 20177039596

約数列:

[1, 2, 4, 7, 14, 28, 11801, 23602, 47204, 61051, 82607, 122102, 165214, 244204, 330428, 427357, 854714, 1709428, 720462851, 1440925702, 2881851404, 5043239957, 10086479914, 20172959828]

約数ペア:

[(1, 20172959828), (2, 10086479914), (4, 5043239957), (7, 2881851404), (14, 1440925702), (28, 720462851), (11801, 1709428), (23602, 854714), (47204, 427357), (61051, 330428), (82607, 244204), (122102, 165214)]