20531379

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{919}}^1$

素因数の和:1610

約数の個数: 16

約数和(自身を含む): 29940480

約数和(自身を除く): 9409101

約数列:

[1, 3, 11, 33, 677, 919, 2031, 2757, 7447, 10109, 22341, 30327, 622163, 1866489, 6843793, 20531379]

約数ペア:

[(1, 20531379), (3, 6843793), (11, 1866489), (33, 622163), (677, 30327), (919, 22341), (2031, 10109), (2757, 7447)]