201017620

素因数分解:

$2^2\times 5^1\times {\mathrm{10050881}}^1$

素因数の和:10050890

約数の個数: 12

約数和(自身を含む): 422137044

約数和(自身を除く): 221119424

約数列:

[1, 2, 4, 5, 10, 20, 10050881, 20101762, 40203524, 50254405, 100508810, 201017620]

約数ペア:

[(1, 201017620), (2, 100508810), (4, 50254405), (5, 40203524), (10, 20101762), (20, 10050881)]