20075620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9209}}^1$

素因数の和:9327

約数の個数: 24

約数和(自身を含む): 42550200

約数和(自身を除く): 22474580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9209, 18418, 36836, 46045, 92090, 184180, 1003781, 2007562, 4015124, 5018905, 10037810, 20075620]

約数ペア:

[(1, 20075620), (2, 10037810), (4, 5018905), (5, 4015124), (10, 2007562), (20, 1003781), (109, 184180), (218, 92090), (436, 46045), (545, 36836), (1090, 18418), (2180, 9209)]