20205575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{62171}}^1$

素因数の和:62194

約数の個数: 12

約数和(自身を含む): 26982648

約数和(自身を除く): 6777073

約数列:

[1, 5, 13, 25, 65, 325, 62171, 310855, 808223, 1554275, 4041115, 20205575]

約数ペア:

[(1, 20205575), (5, 4041115), (13, 1554275), (25, 808223), (65, 310855), (325, 62171)]