20249001

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 10924119

約数列:

[1, 3, 9, 27, 43, 107, 129, 163, 321, 387, 489, 963, 1161, 1467, 2889, 4401, 4601, 7009, 13803, 17441, 21027, 41409, 52323, 63081, 124227, 156969, 189243, 470907, 749963, 2249889, 6749667, 20249001]

約数ペア:

[(1, 20249001), (3, 6749667), (9, 2249889), (27, 749963), (43, 470907), (107, 189243), (129, 156969), (163, 124227), (321, 63081), (387, 52323), (489, 41409), (963, 21027), (1161, 17441), (1467, 13803), (2889, 7009), (4401, 4601)]