20853826487

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1637}}^1\times {\mathrm{1753}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 23133814704

約数和(自身を除く): 2279988217

約数列:

[1, 13, 43, 169, 559, 1637, 1753, 7267, 21281, 22789, 70391, 75379, 276653, 296257, 915083, 979927, 2869661, 11896079, 12739051, 37305593, 123395423, 484972709, 1604140499, 20853826487]

約数ペア:

[(1, 20853826487), (13, 1604140499), (43, 484972709), (169, 123395423), (559, 37305593), (1637, 12739051), (1753, 11896079), (7267, 2869661), (21281, 979927), (22789, 915083), (70391, 296257), (75379, 276653)]