20615859

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{1721}}^1$

素因数の和:1760

約数の個数: 24

約数和(自身を含む): 32773104

約数和(自身を除く): 12157245

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 1331, 1721, 3993, 5163, 11979, 15489, 18931, 56793, 170379, 208241, 624723, 1874169, 2290651, 6871953, 20615859]

約数ペア:

[(1, 20615859), (3, 6871953), (9, 2290651), (11, 1874169), (33, 624723), (99, 208241), (121, 170379), (363, 56793), (1089, 18931), (1331, 15489), (1721, 11979), (3993, 5163)]