20764850

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5689}}^1$

素因数の和:5774

約数の個数: 24

約数和(自身を含む): 39158580

約数和(自身を除く): 18393730

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5689, 11378, 28445, 56890, 142225, 284450, 415297, 830594, 2076485, 4152970, 10382425, 20764850]

約数ペア:

[(1, 20764850), (2, 10382425), (5, 4152970), (10, 2076485), (25, 830594), (50, 415297), (73, 284450), (146, 142225), (365, 56890), (730, 28445), (1825, 11378), (3650, 5689)]