20648433

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7457}}^1$

素因数の和:7544

約数の個数: 16

約数和(自身を含む): 30070656

約数和(自身を除く): 9422223

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7457, 22371, 96941, 290823, 529447, 1588341, 6882811, 20648433]

約数ペア:

[(1, 20648433), (3, 6882811), (13, 1588341), (39, 529447), (71, 290823), (213, 96941), (923, 22371), (2769, 7457)]