20257347

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5737}}^1$

素因数の和:5858

約数の個数: 16

約数和(自身を含む): 29745792

約数和(自身を除く): 9488445

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5737, 17211, 63107, 189321, 613859, 1841577, 6752449, 20257347]

約数ペア:

[(1, 20257347), (3, 6752449), (11, 1841577), (33, 613859), (107, 189321), (321, 63107), (1177, 17211), (3531, 5737)]