20703602

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1129}}^1$

素因数の和:1357

約数の個数: 16

約数和(自身を含む): 31852440

約数和(自身を除く): 11148838

約数列:

[1, 2, 53, 106, 173, 346, 1129, 2258, 9169, 18338, 59837, 119674, 195317, 390634, 10351801, 20703602]

約数ペア:

[(1, 20703602), (2, 10351801), (53, 390634), (106, 195317), (173, 119674), (346, 59837), (1129, 18338), (2258, 9169)]