20121143811

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{1051}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 29594695680

約数和(自身を除く): 9473551869

約数列:

[1, 3, 19, 43, 57, 73, 107, 129, 219, 321, 817, 1051, 1387, 2033, 2451, 3139, 3153, 4161, 4601, 6099, 7811, 9417, 13803, 19969, 23433, 45193, 59641, 59907, 76723, 87419, 112457, 135579, 148409, 178923, 230169, 262257, 335873, 337371, 445227, 858667, 1007619, 1457737, 2136683, 2576001, 3299089, 4373211, 4835651, 6381587, 6410049, 8209361, 9897267, 14506953, 19144761, 24628083, 62682691, 91877369, 155977859, 188048073, 275632107, 353002523, 467933577, 1059007569, 6707047937, 20121143811]

約数ペア:

[(1, 20121143811), (3, 6707047937), (19, 1059007569), (43, 467933577), (57, 353002523), (73, 275632107), (107, 188048073), (129, 155977859), (219, 91877369), (321, 62682691), (817, 24628083), (1051, 19144761), (1387, 14506953), (2033, 9897267), (2451, 8209361), (3139, 6410049), (3153, 6381587), (4161, 4835651), (4601, 4373211), (6099, 3299089), (7811, 2576001), (9417, 2136683), (13803, 1457737), (19969, 1007619), (23433, 858667), (45193, 445227), (59641, 337371), (59907, 335873), (76723, 262257), (87419, 230169), (112457, 178923), (135579, 148409)]