20936799

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 34354320

約数和(自身を除く): 13417521

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 177, 337, 351, 531, 767, 1011, 1053, 1593, 2301, 3033, 4381, 4779, 6903, 9099, 13143, 19883, 20709, 27297, 39429, 59649, 62127, 118287, 178947, 258479, 354861, 536841, 775437, 1610523, 2326311, 6978933, 20936799]

約数ペア:

[(1, 20936799), (3, 6978933), (9, 2326311), (13, 1610523), (27, 775437), (39, 536841), (59, 354861), (81, 258479), (117, 178947), (177, 118287), (337, 62127), (351, 59649), (531, 39429), (767, 27297), (1011, 20709), (1053, 19883), (1593, 13143), (2301, 9099), (3033, 6903), (4381, 4779)]