20482550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 21514762

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 167, 223, 275, 334, 446, 550, 835, 1115, 1670, 1837, 2230, 2453, 3674, 4175, 4906, 5575, 8350, 9185, 11150, 12265, 18370, 24530, 37241, 45925, 61325, 74482, 91850, 122650, 186205, 372410, 409651, 819302, 931025, 1862050, 2048255, 4096510, 10241275, 20482550]

約数ペア:

[(1, 20482550), (2, 10241275), (5, 4096510), (10, 2048255), (11, 1862050), (22, 931025), (25, 819302), (50, 409651), (55, 372410), (110, 186205), (167, 122650), (223, 91850), (275, 74482), (334, 61325), (446, 45925), (550, 37241), (835, 24530), (1115, 18370), (1670, 12265), (1837, 11150), (2230, 9185), (2453, 8350), (3674, 5575), (4175, 4906)]