20565013599

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13520719}}^1$

素因数の和:13520751

約数の個数: 18

約数和(自身を含む): 32165792880

約数和(自身を除く): 11600779281

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13520719, 40562157, 121686471, 175769347, 527308041, 1581924123, 2285001511, 6855004533, 20565013599]

約数ペア:

[(1, 20565013599), (3, 6855004533), (9, 2285001511), (13, 1581924123), (39, 527308041), (117, 175769347), (169, 121686471), (507, 40562157), (1521, 13520719)]