20126888181

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79159}}^1$

素因数の和:79287

約数の個数: 40

約数和(自身を含む): 31187140160

約数和(自身を除く): 11060251979

約数列:

[1, 3, 9, 27, 43, 73, 81, 129, 219, 387, 657, 1161, 1971, 3139, 3483, 5913, 9417, 28251, 79159, 84753, 237477, 254259, 712431, 2137293, 3403837, 5778607, 6411879, 10211511, 17335821, 30634533, 52007463, 91903599, 156022389, 248480101, 275710797, 468067167, 745440303, 2236320909, 6708962727, 20126888181]

約数ペア:

[(1, 20126888181), (3, 6708962727), (9, 2236320909), (27, 745440303), (43, 468067167), (73, 275710797), (81, 248480101), (129, 156022389), (219, 91903599), (387, 52007463), (657, 30634533), (1161, 17335821), (1971, 10211511), (3139, 6411879), (3483, 5778607), (5913, 3403837), (9417, 2137293), (28251, 712431), (79159, 254259), (84753, 237477)]