20886910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189881}}^1$

素因数の和:189899

約数の個数: 16

約数和(自身を含む): 41014512

約数和(自身を除く): 20127602

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189881, 379762, 949405, 1898810, 2088691, 4177382, 10443455, 20886910]

約数ペア:

[(1, 20886910), (2, 10443455), (5, 4177382), (10, 2088691), (11, 1898810), (22, 949405), (55, 379762), (110, 189881)]