20673279

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 34145280

約数和(自身を除く): 13472001

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 1269, 1481, 1551, 4443, 4653, 13329, 13959, 16291, 39987, 48873, 69607, 146619, 208821, 439857, 626463, 765677, 1879389, 2297031, 6891093, 20673279]

約数ペア:

[(1, 20673279), (3, 6891093), (9, 2297031), (11, 1879389), (27, 765677), (33, 626463), (47, 439857), (99, 208821), (141, 146619), (297, 69607), (423, 48873), (517, 39987), (1269, 16291), (1481, 13959), (1551, 13329), (4443, 4653)]