20079261

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 30888000

約数和(自身を除く): 10808739

約数列:

[1, 3, 9, 17, 51, 153, 263, 499, 789, 1497, 2367, 4471, 4491, 8483, 13413, 25449, 40239, 76347, 131237, 393711, 1181133, 2231029, 6693087, 20079261]

約数ペア:

[(1, 20079261), (3, 6693087), (9, 2231029), (17, 1181133), (51, 393711), (153, 131237), (263, 76347), (499, 40239), (789, 25449), (1497, 13413), (2367, 8483), (4471, 4491)]