20177238040

素因数分解:

$2^3\times 5^1\times {\mathrm{504430951}}^1$

素因数の和:504430962

約数の個数: 16

約数和(自身を含む): 45398785680

約数和(自身を除く): 25221547640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504430951, 1008861902, 2017723804, 2522154755, 4035447608, 5044309510, 10088619020, 20177238040]

約数ペア:

[(1, 20177238040), (2, 10088619020), (4, 5044309510), (5, 4035447608), (8, 2522154755), (10, 2017723804), (20, 1008861902), (40, 504430951)]