20763620

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1481}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 43695288

約数和(自身を除く): 22931668

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 1481, 2804, 2962, 3505, 5924, 7010, 7405, 14020, 14810, 29620, 1038181, 2076362, 4152724, 5190905, 10381810, 20763620]

約数ペア:

[(1, 20763620), (2, 10381810), (4, 5190905), (5, 4152724), (10, 2076362), (20, 1038181), (701, 29620), (1402, 14810), (1481, 14020), (2804, 7405), (2962, 7010), (3505, 5924)]