22205020

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2131}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 46741968

約数和(自身を除く): 24536948

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2131, 2605, 4262, 5210, 8524, 10420, 10655, 21310, 42620, 1110251, 2220502, 4441004, 5551255, 11102510, 22205020]

約数ペア:

[(1, 22205020), (2, 11102510), (4, 5551255), (5, 4441004), (10, 2220502), (20, 1110251), (521, 42620), (1042, 21310), (2084, 10655), (2131, 10420), (2605, 8524), (4262, 5210)]