20612619

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 31730400

約数和(自身を除く): 11117781

約数列:

[1, 3, 9, 17, 51, 153, 199, 597, 677, 1791, 2031, 3383, 6093, 10149, 11509, 30447, 34527, 103581, 134723, 404169, 1212507, 2290291, 6870873, 20612619]

約数ペア:

[(1, 20612619), (3, 6870873), (9, 2290291), (17, 1212507), (51, 404169), (153, 134723), (199, 103581), (597, 34527), (677, 30447), (1791, 11509), (2031, 10149), (3383, 6093)]