20239700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15569}}^1$

素因数の和:15596

約数の個数: 36

約数和(自身を含む): 47301660

約数和(自身を除く): 27061960

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15569, 31138, 62276, 77845, 155690, 202397, 311380, 389225, 404794, 778450, 809588, 1011985, 1556900, 2023970, 4047940, 5059925, 10119850, 20239700]

約数ペア:

[(1, 20239700), (2, 10119850), (4, 5059925), (5, 4047940), (10, 2023970), (13, 1556900), (20, 1011985), (25, 809588), (26, 778450), (50, 404794), (52, 389225), (65, 311380), (100, 202397), (130, 155690), (260, 77845), (325, 62276), (650, 31138), (1300, 15569)]