20123492545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4620779}}^1$

素因数の和:4620864

約数の個数: 16

約数和(自身を含む): 26393895360

約数和(自身を除く): 6270402815

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4620779, 23103895, 60070127, 300350635, 309592193, 1547960965, 4024698509, 20123492545]

約数ペア:

[(1, 20123492545), (5, 4024698509), (13, 1547960965), (65, 309592193), (67, 300350635), (335, 60070127), (871, 23103895), (4355, 4620779)]