20005310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153887}}^1$

素因数の和:153907

約数の個数: 16

約数和(自身を含む): 38779776

約数和(自身を除く): 18774466

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153887, 307774, 769435, 1538870, 2000531, 4001062, 10002655, 20005310]

約数ペア:

[(1, 20005310), (2, 10002655), (5, 4001062), (10, 2000531), (13, 1538870), (26, 769435), (65, 307774), (130, 153887)]