20804517123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1279}}^1\times {\mathrm{3691}}^1$

素因数の和:5099

約数の個数: 32

約数和(自身を含む): 30169251840

約数和(自身を除く): 9364734717

約数列:

[1, 3, 13, 39, 113, 339, 1279, 1469, 3691, 3837, 4407, 11073, 16627, 47983, 49881, 143949, 144527, 417083, 433581, 1251249, 1878851, 4720789, 5422079, 5636553, 14162367, 16266237, 61370257, 184110771, 533449157, 1600347471, 6934839041, 20804517123]

約数ペア:

[(1, 20804517123), (3, 6934839041), (13, 1600347471), (39, 533449157), (113, 184110771), (339, 61370257), (1279, 16266237), (1469, 14162367), (3691, 5636553), (3837, 5422079), (4407, 4720789), (11073, 1878851), (16627, 1251249), (47983, 433581), (49881, 417083), (143949, 144527)]