20632940

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6571}}^1$

素因数の和:6737

約数の個数: 24

約数和(自身を含む): 43611792

約数和(自身を除く): 22978852

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6571, 13142, 26284, 32855, 65710, 131420, 1031647, 2063294, 4126588, 5158235, 10316470, 20632940]

約数ペア:

[(1, 20632940), (2, 10316470), (4, 5158235), (5, 4126588), (10, 2063294), (20, 1031647), (157, 131420), (314, 65710), (628, 32855), (785, 26284), (1570, 13142), (3140, 6571)]