20178507927

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4986041}}^1$

素因数の和:4986134

約数の個数: 16

約数和(自身を含む): 28719601920

約数和(自身を除く): 8541093993

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4986041, 14958123, 94734779, 284204337, 354008911, 1062026733, 6726169309, 20178507927]

約数ペア:

[(1, 20178507927), (3, 6726169309), (19, 1062026733), (57, 354008911), (71, 284204337), (213, 94734779), (1349, 14958123), (4047, 4986041)]