20036080

素因数分解:

$2^4\times 5^1\times {\mathrm{250451}}^1$

素因数の和:250464

約数の個数: 20

約数和(自身を含む): 46584072

約数和(自身を除く): 26547992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250451, 500902, 1001804, 1252255, 2003608, 2504510, 4007216, 5009020, 10018040, 20036080]

約数ペア:

[(1, 20036080), (2, 10018040), (4, 5009020), (5, 4007216), (8, 2504510), (10, 2003608), (16, 1252255), (20, 1001804), (40, 500902), (80, 250451)]