20531180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44633}}^1$

素因数の和:44665

約数の個数: 24

約数和(自身を含む): 44991072

約数和(自身を除く): 24459892

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44633, 89266, 178532, 223165, 446330, 892660, 1026559, 2053118, 4106236, 5132795, 10265590, 20531180]

約数ペア:

[(1, 20531180), (2, 10265590), (4, 5132795), (5, 4106236), (10, 2053118), (20, 1026559), (23, 892660), (46, 446330), (92, 223165), (115, 178532), (230, 89266), (460, 44633)]