20042018020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7209359}}^1$

素因数の和:7209507

約数の個数: 24

約数和(自身を含む): 42391036800

約数和(自身を除く): 22349018780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 7209359, 14418718, 28837436, 36046795, 72093590, 144187180, 1002100901, 2004201802, 4008403604, 5010504505, 10021009010, 20042018020]

約数ペア:

[(1, 20042018020), (2, 10021009010), (4, 5010504505), (5, 4008403604), (10, 2004201802), (20, 1002100901), (139, 144187180), (278, 72093590), (556, 36046795), (695, 28837436), (1390, 14418718), (2780, 7209359)]