20802093

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 31987200

約数和(自身を除く): 11185107

約数列:

[1, 3, 13, 19, 39, 57, 67, 201, 247, 419, 741, 871, 1257, 1273, 2613, 3819, 5447, 7961, 16341, 16549, 23883, 28073, 49647, 84219, 103493, 310479, 364949, 533387, 1094847, 1600161, 6934031, 20802093]

約数ペア:

[(1, 20802093), (3, 6934031), (13, 1600161), (19, 1094847), (39, 533387), (57, 364949), (67, 310479), (201, 103493), (247, 84219), (419, 49647), (741, 28073), (871, 23883), (1257, 16549), (1273, 16341), (2613, 7961), (3819, 5447)]