20602945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{719}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 27060480

約数和(自身を除く): 6457535

約数列:

[1, 5, 11, 55, 521, 719, 2605, 3595, 5731, 7909, 28655, 39545, 374599, 1872995, 4120589, 20602945]

約数ペア:

[(1, 20602945), (5, 4120589), (11, 1872995), (55, 374599), (521, 39545), (719, 28655), (2605, 7909), (3595, 5731)]