20579211

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 31648320

約数和(自身を除く): 11069109

約数列:

[1, 3, 9, 27, 53, 73, 159, 197, 219, 477, 591, 657, 1431, 1773, 1971, 3869, 5319, 10441, 11607, 14381, 31323, 34821, 43143, 93969, 104463, 129429, 281907, 388287, 762193, 2286579, 6859737, 20579211]

約数ペア:

[(1, 20579211), (3, 6859737), (9, 2286579), (27, 762193), (53, 388287), (73, 281907), (159, 129429), (197, 104463), (219, 93969), (477, 43143), (591, 34821), (657, 31323), (1431, 14381), (1773, 11607), (1971, 10441), (3869, 5319)]