99656020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{7211}}^1$

素因数の和:7911

約数の個数: 24

約数和(自身を含む): 209609568

約数和(自身を除く): 109953548

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 7211, 13820, 14422, 28844, 36055, 72110, 144220, 4982801, 9965602, 19931204, 24914005, 49828010, 99656020]

約数ペア:

[(1, 99656020), (2, 49828010), (4, 24914005), (5, 19931204), (10, 9965602), (20, 4982801), (691, 144220), (1382, 72110), (2764, 36055), (3455, 28844), (6910, 14422), (7211, 13820)]