20101017620

素因数分解:

$2^2\times 5^1\times {\mathrm{1005050881}}^1$

素因数の和:1005050890

約数の個数: 12

約数和(自身を含む): 42212137044

約数和(自身を除く): 22111119424

約数列:

[1, 2, 4, 5, 10, 20, 1005050881, 2010101762, 4020203524, 5025254405, 10050508810, 20101017620]

約数ペア:

[(1, 20101017620), (2, 10050508810), (4, 5025254405), (5, 4020203524), (10, 2010101762), (20, 1005050881)]