20157633251

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{402581}}^1$

素因数の和:402922

約数の個数: 16

約数和(自身を含む): 24116272128

約数和(自身を除く): 3958638877

約数列:

[1, 7, 23, 161, 311, 2177, 7153, 50071, 402581, 2818067, 9259363, 64815541, 125202691, 876418837, 2879661893, 20157633251]

約数ペア:

[(1, 20157633251), (7, 2879661893), (23, 876418837), (161, 125202691), (311, 64815541), (2177, 9259363), (7153, 2818067), (50071, 402581)]