20389968137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1\times {\mathrm{203227}}^1$

素因数の和:204548

約数の個数: 16

約数和(自身を含む): 25440893952

約数和(自身を除く): 5050925815

約数列:

[1, 7, 11, 77, 1303, 9121, 14333, 100331, 203227, 1422589, 2235497, 15648479, 264804781, 1853633467, 2912852591, 20389968137]

約数ペア:

[(1, 20389968137), (7, 2912852591), (11, 1853633467), (77, 264804781), (1303, 15648479), (9121, 2235497), (14333, 1422589), (100331, 203227)]