20536243

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 26059488

約数和(自身を除く): 5523245

約数列:

[1, 7, 13, 49, 91, 103, 313, 637, 721, 1339, 2191, 4069, 5047, 9373, 15337, 28483, 32239, 65611, 199381, 225673, 419107, 1579711, 2933749, 20536243]

約数ペア:

[(1, 20536243), (7, 2933749), (13, 1579711), (49, 419107), (91, 225673), (103, 199381), (313, 65611), (637, 32239), (721, 28483), (1339, 15337), (2191, 9373), (4069, 5047)]