20264145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 35610624

約数和(自身を除く): 15346479

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 191, 573, 643, 955, 1929, 2101, 2865, 3215, 6303, 7073, 9645, 10505, 21219, 31515, 35365, 106095, 122813, 368439, 614065, 1350943, 1842195, 4052829, 6754715, 20264145]

約数ペア:

[(1, 20264145), (3, 6754715), (5, 4052829), (11, 1842195), (15, 1350943), (33, 614065), (55, 368439), (165, 122813), (191, 106095), (573, 35365), (643, 31515), (955, 21219), (1929, 10505), (2101, 9645), (2865, 7073), (3215, 6303)]