20188685540

素因数分解:

$2^2\times 5^1\times {\mathrm{1009434277}}^1$

素因数の和:1009434286

約数の個数: 12

約数和(自身を含む): 42396239676

約数和(自身を除く): 22207554136

約数列:

[1, 2, 4, 5, 10, 20, 1009434277, 2018868554, 4037737108, 5047171385, 10094342770, 20188685540]

約数ペア:

[(1, 20188685540), (2, 10094342770), (4, 5047171385), (5, 4037737108), (10, 2018868554), (20, 1009434277)]