20996870450

素因数分解:

$2^1\times 5^2\times {\mathrm{21163}}^1\times {\mathrm{19843}}^1$

素因数の和:41018

約数の個数: 24

約数和(自身を含む): 39057992688

約数和(自身を除く): 18061122238

約数列:

[1, 2, 5, 10, 25, 50, 19843, 21163, 39686, 42326, 99215, 105815, 198430, 211630, 496075, 529075, 992150, 1058150, 419937409, 839874818, 2099687045, 4199374090, 10498435225, 20996870450]

約数ペア:

[(1, 20996870450), (2, 10498435225), (5, 4199374090), (10, 2099687045), (25, 839874818), (50, 419937409), (19843, 1058150), (21163, 992150), (39686, 529075), (42326, 496075), (99215, 211630), (105815, 198430)]