20565579897

素因数分解:

$3^2\times {\mathrm{2971}}^1\times {\mathrm{769123}}^1$

素因数の和:772100

約数の個数: 12

約数和(自身を含む): 29715874864

約数和(自身を除く): 9150294967

約数列:

[1, 3, 9, 2971, 8913, 26739, 769123, 2307369, 6922107, 2285064433, 6855193299, 20565579897]

約数ペア:

[(1, 20565579897), (3, 6855193299), (9, 2285064433), (2971, 6922107), (8913, 2307369), (26739, 769123)]