20693650

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3797}}^1$

素因数の和:3918

約数の個数: 24

約数和(自身を含む): 38853540

約数和(自身を除く): 18159890

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3797, 5450, 7594, 18985, 37970, 94925, 189850, 413873, 827746, 2069365, 4138730, 10346825, 20693650]

約数ペア:

[(1, 20693650), (2, 10346825), (5, 4138730), (10, 2069365), (25, 827746), (50, 413873), (109, 189850), (218, 94925), (545, 37970), (1090, 18985), (2725, 7594), (3797, 5450)]