20086461

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 31518080

約数和(自身を除く): 11431619

約数列:

[1, 3, 9, 27, 43, 73, 79, 81, 129, 219, 237, 387, 657, 711, 1161, 1971, 2133, 3139, 3397, 3483, 5767, 5913, 6399, 9417, 10191, 17301, 28251, 30573, 51903, 84753, 91719, 155709, 247981, 254259, 275157, 467127, 743943, 2231829, 6695487, 20086461]

約数ペア:

[(1, 20086461), (3, 6695487), (9, 2231829), (27, 743943), (43, 467127), (73, 275157), (79, 254259), (81, 247981), (129, 155709), (219, 91719), (237, 84753), (387, 51903), (657, 30573), (711, 28251), (1161, 17301), (1971, 10191), (2133, 9417), (3139, 6399), (3397, 5913), (3483, 5767)]