20198053220

素因数分解:

$2^2\times 5^1\times {\mathrm{1009902661}}^1$

素因数の和:1009902670

約数の個数: 12

約数和(自身を含む): 42415911804

約数和(自身を除く): 22217858584

約数列:

[1, 2, 4, 5, 10, 20, 1009902661, 2019805322, 4039610644, 5049513305, 10099026610, 20198053220]

約数ペア:

[(1, 20198053220), (2, 10099026610), (4, 5049513305), (5, 4039610644), (10, 2019805322), (20, 1009902661)]