20602895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6551}}^1$

素因数の和:6610

約数の個数: 16

約数和(自身を含む): 26889408

約数和(自身を除く): 6286513

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6551, 32755, 111367, 242387, 556835, 1211935, 4120579, 20602895]

約数ペア:

[(1, 20602895), (5, 4120579), (17, 1211935), (37, 556835), (85, 242387), (185, 111367), (629, 32755), (3145, 6551)]