20582107

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 26174400

約数和(自身を除く): 5592293

約数列:

[1, 7, 13, 49, 79, 91, 409, 553, 637, 1027, 2863, 3871, 5317, 7189, 20041, 32311, 37219, 50323, 226177, 260533, 420043, 1583239, 2940301, 20582107]

約数ペア:

[(1, 20582107), (7, 2940301), (13, 1583239), (49, 420043), (79, 260533), (91, 226177), (409, 50323), (553, 37219), (637, 32311), (1027, 20041), (2863, 7189), (3871, 5317)]