20650550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17957}}^1$

素因数の和:17992

約数の個数: 24

約数和(自身を含む): 40082256

約数和(自身を除く): 19431706

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17957, 35914, 89785, 179570, 413011, 448925, 826022, 897850, 2065055, 4130110, 10325275, 20650550]

約数ペア:

[(1, 20650550), (2, 10325275), (5, 4130110), (10, 2065055), (23, 897850), (25, 826022), (46, 448925), (50, 413011), (115, 179570), (230, 89785), (575, 35914), (1150, 17957)]