20512115885849

素因数分解:

$7^1\times {\mathrm{1663}}^1\times {\mathrm{1697}}^1\times {\mathrm{1038337}}^1$

素因数の和:1041704

約数の個数: 16

約数和(自身を含む): 23470359564288

約数和(自身を除く): 2958243678439

約数列:

[1, 7, 1663, 1697, 11641, 11879, 1038337, 2822111, 7268359, 19754777, 1726754431, 1762057889, 12087281017, 12334405223, 2930302269407, 20512115885849]

約数ペア:

[(1, 20512115885849), (7, 2930302269407), (1663, 12334405223), (1697, 12087281017), (11641, 1762057889), (11879, 1726754431), (1038337, 19754777), (2822111, 7268359)]