20616740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44819}}^1$

素因数の和:44851

約数の個数: 24

約数和(自身を含む): 45178560

約数和(自身を除く): 24561820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44819, 89638, 179276, 224095, 448190, 896380, 1030837, 2061674, 4123348, 5154185, 10308370, 20616740]

約数ペア:

[(1, 20616740), (2, 10308370), (4, 5154185), (5, 4123348), (10, 2061674), (20, 1030837), (23, 896380), (46, 448190), (92, 224095), (115, 179276), (230, 89638), (460, 44819)]