20237281640

素因数分解:

$2^3\times 5^1\times {\mathrm{505932041}}^1$

素因数の和:505932052

約数の個数: 16

約数和(自身を含む): 45533883780

約数和(自身を除く): 25296602140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505932041, 1011864082, 2023728164, 2529660205, 4047456328, 5059320410, 10118640820, 20237281640]

約数ペア:

[(1, 20237281640), (2, 10118640820), (4, 5059320410), (5, 4047456328), (8, 2529660205), (10, 2023728164), (20, 1011864082), (40, 505932041)]