20839869

素因数分解:

$3^3\times {\mathrm{691}}^1\times {\mathrm{1117}}^1$

素因数の和:1817

約数の個数: 16

約数和(自身を含む): 30946240

約数和(自身を除く): 10106371

約数列:

[1, 3, 9, 27, 691, 1117, 2073, 3351, 6219, 10053, 18657, 30159, 771847, 2315541, 6946623, 20839869]

約数ペア:

[(1, 20839869), (3, 6946623), (9, 2315541), (27, 771847), (691, 30159), (1117, 18657), (2073, 10053), (3351, 6219)]