6821020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5591}}^1$

素因数の和:5661

約数の個数: 24

約数和(自身を含む): 14561568

約数和(自身を除く): 7740548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 5591, 11182, 22364, 27955, 55910, 111820, 341051, 682102, 1364204, 1705255, 3410510, 6821020]

約数ペア:

[(1, 6821020), (2, 3410510), (4, 1705255), (5, 1364204), (10, 682102), (20, 341051), (61, 111820), (122, 55910), (244, 27955), (305, 22364), (610, 11182), (1220, 5591)]