20290761

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1181}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 30977856

約数和(自身を除く): 10687095

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1181, 1909, 3543, 5727, 10629, 17181, 27163, 81489, 98023, 244467, 294069, 882207, 2254529, 6763587, 20290761]

約数ペア:

[(1, 20290761), (3, 6763587), (9, 2254529), (23, 882207), (69, 294069), (83, 244467), (207, 98023), (249, 81489), (747, 27163), (1181, 17181), (1909, 10629), (3543, 5727)]