20653629

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 28016640

約数和(自身を除く): 7363011

約数列:

[1, 3, 127, 151, 359, 381, 453, 1077, 19177, 45593, 54209, 57531, 136779, 162627, 6884543, 20653629]

約数ペア:

[(1, 20653629), (3, 6884543), (127, 162627), (151, 136779), (359, 57531), (381, 54209), (453, 45593), (1077, 19177)]