15789020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60727}}^1$

素因数の和:60749

約数の個数: 24

約数和(自身を含む): 35708064

約数和(自身を除く): 19919044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60727, 121454, 242908, 303635, 607270, 789451, 1214540, 1578902, 3157804, 3947255, 7894510, 15789020]

約数ペア:

[(1, 15789020), (2, 7894510), (4, 3947255), (5, 3157804), (10, 1578902), (13, 1214540), (20, 789451), (26, 607270), (52, 303635), (65, 242908), (130, 121454), (260, 60727)]