20853375

素因数分解:

$3^1\times 5^3\times {\mathrm{55609}}^1$

素因数の和:55627

約数の個数: 16

約数和(自身を含む): 34700640

約数和(自身を除く): 13847265

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 55609, 166827, 278045, 834135, 1390225, 4170675, 6951125, 20853375]

約数ペア:

[(1, 20853375), (3, 6951125), (5, 4170675), (15, 1390225), (25, 834135), (75, 278045), (125, 166827), (375, 55609)]