20327380

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2087}}^1$

素因数の和:2583

約数の個数: 24

約数和(自身を含む): 42795648

約数和(自身を除く): 22468268

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2087, 2435, 4174, 4870, 8348, 9740, 10435, 20870, 41740, 1016369, 2032738, 4065476, 5081845, 10163690, 20327380]

約数ペア:

[(1, 20327380), (2, 10163690), (4, 5081845), (5, 4065476), (10, 2032738), (20, 1016369), (487, 41740), (974, 20870), (1948, 10435), (2087, 9740), (2435, 8348), (4174, 4870)]