20508033

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 34456576

約数和(自身を除く): 13948543

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 1747, 3913, 5241, 11739, 12229, 22711, 36687, 68133, 75121, 158977, 225363, 476931, 525847, 976573, 1577541, 2929719, 6836011, 20508033]

約数ペア:

[(1, 20508033), (3, 6836011), (7, 2929719), (13, 1577541), (21, 976573), (39, 525847), (43, 476931), (91, 225363), (129, 158977), (273, 75121), (301, 68133), (559, 36687), (903, 22711), (1677, 12229), (1747, 11739), (3913, 5241)]