20510577

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{809}}^1$

素因数の和:1134

約数の個数: 20

約数和(自身を含む): 30775140

約数和(自身を除く): 10264563

約数列:

[1, 3, 9, 27, 81, 313, 809, 939, 2427, 2817, 7281, 8451, 21843, 25353, 65529, 253217, 759651, 2278953, 6836859, 20510577]

約数ペア:

[(1, 20510577), (3, 6836859), (9, 2278953), (27, 759651), (81, 253217), (313, 65529), (809, 25353), (939, 21843), (2427, 8451), (2817, 7281)]