20372495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28493}}^1$

素因数の和:28522

約数の個数: 16

約数和(自身を含む): 28721952

約数和(自身を除く): 8349457

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28493, 142465, 313423, 370409, 1567115, 1852045, 4074499, 20372495]

約数ペア:

[(1, 20372495), (5, 4074499), (11, 1852045), (13, 1567115), (55, 370409), (65, 313423), (143, 142465), (715, 28493)]