205707620

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{4813}}^1$

素因数の和:6959

約数の個数: 24

約数和(自身を含む): 432277944

約数和(自身を除く): 226570324

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 4813, 8548, 9626, 10685, 19252, 21370, 24065, 42740, 48130, 96260, 10285381, 20570762, 41141524, 51426905, 102853810, 205707620]

約数ペア:

[(1, 205707620), (2, 102853810), (4, 51426905), (5, 41141524), (10, 20570762), (20, 10285381), (2137, 96260), (4274, 48130), (4813, 42740), (8548, 24065), (9626, 21370), (10685, 19252)]