20086580

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6397}}^1$

素因数の和:6563

約数の個数: 24

約数和(自身を含む): 42457128

約数和(自身を除く): 22370548

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6397, 12794, 25588, 31985, 63970, 127940, 1004329, 2008658, 4017316, 5021645, 10043290, 20086580]

約数ペア:

[(1, 20086580), (2, 10043290), (4, 5021645), (5, 4017316), (10, 2008658), (20, 1004329), (157, 127940), (314, 63970), (628, 31985), (785, 25588), (1570, 12794), (3140, 6397)]