20114919

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 13592601

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 121, 131, 141, 297, 363, 393, 423, 517, 1089, 1179, 1269, 1441, 1551, 3267, 3537, 4323, 4653, 5687, 6157, 12969, 13959, 15851, 17061, 18471, 38907, 47553, 51183, 55413, 67727, 142659, 153549, 166239, 203181, 427977, 609543, 744997, 1828629, 2234991, 6704973, 20114919]

約数ペア:

[(1, 20114919), (3, 6704973), (9, 2234991), (11, 1828629), (27, 744997), (33, 609543), (47, 427977), (99, 203181), (121, 166239), (131, 153549), (141, 142659), (297, 67727), (363, 55413), (393, 51183), (423, 47553), (517, 38907), (1089, 18471), (1179, 17061), (1269, 15851), (1441, 13959), (1551, 12969), (3267, 6157), (3537, 5687), (4323, 4653)]