20928753

素因数分解:

$3^3\times {\mathrm{607}}^1\times {\mathrm{1277}}^1$

素因数の和:1893

約数の個数: 16

約数和(自身を含む): 31080960

約数和(自身を除く): 10152207

約数列:

[1, 3, 9, 27, 607, 1277, 1821, 3831, 5463, 11493, 16389, 34479, 775139, 2325417, 6976251, 20928753]

約数ペア:

[(1, 20928753), (3, 6976251), (9, 2325417), (27, 775139), (607, 34479), (1277, 16389), (1821, 11493), (3831, 5463)]