20812120895

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{1063}}^1\times {\mathrm{43997}}^1$

素因数の和:45154

約数の個数: 16

約数和(自身を含む): 25279490880

約数和(自身を除く): 4467369985

約数列:

[1, 5, 89, 445, 1063, 5315, 43997, 94607, 219985, 473035, 3915733, 19578665, 46768811, 233844055, 4162424179, 20812120895]

約数ペア:

[(1, 20812120895), (5, 4162424179), (89, 233844055), (445, 46768811), (1063, 19578665), (5315, 3915733), (43997, 473035), (94607, 219985)]