20039157

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3389}}^1$

素因数の和:3474

約数の個数: 20

約数和(自身を含む): 30354060

約数和(自身を除く): 10314903

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3389, 5913, 10167, 30501, 91503, 247397, 274509, 742191, 2226573, 6679719, 20039157]

約数ペア:

[(1, 20039157), (3, 6679719), (9, 2226573), (27, 742191), (73, 274509), (81, 247397), (219, 91503), (657, 30501), (1971, 10167), (3389, 5913)]