20888153

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 25441920

約数和(自身を除く): 4553767

約数列:

[1, 11, 13, 43, 79, 143, 473, 559, 869, 1027, 1849, 3397, 6149, 11297, 20339, 24037, 37367, 44161, 146071, 264407, 485771, 1606781, 1898923, 20888153]

約数ペア:

[(1, 20888153), (11, 1898923), (13, 1606781), (43, 485771), (79, 264407), (143, 146071), (473, 44161), (559, 37367), (869, 24037), (1027, 20339), (1849, 11297), (3397, 6149)]