20117870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3803}}^1$

素因数の和:3856

約数の個数: 24

約数和(自身を含む): 37865016

約数和(自身を除く): 17747146

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3803, 5290, 7606, 19015, 38030, 87469, 174938, 437345, 874690, 2011787, 4023574, 10058935, 20117870]

約数ペア:

[(1, 20117870), (2, 10058935), (5, 4023574), (10, 2011787), (23, 874690), (46, 437345), (115, 174938), (230, 87469), (529, 38030), (1058, 19015), (2645, 7606), (3803, 5290)]