20161621268

素因数分解:

$2^2\times {\mathrm{1607}}^1\times {\mathrm{3136531}}^1$

素因数の和:3138142

約数の個数: 12

約数和(自身を含む): 35304804192

約数和(自身を除く): 15143182924

約数列:

[1, 2, 4, 1607, 3214, 6428, 3136531, 6273062, 12546124, 5040405317, 10080810634, 20161621268]

約数ペア:

[(1, 20161621268), (2, 10080810634), (4, 5040405317), (1607, 12546124), (3214, 6273062), (6428, 3136531)]