20808329517

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 33092357760

約数和(自身を除く): 12284028243

約数列:

[1, 3, 9, 23, 27, 69, 81, 97, 113, 207, 291, 339, 621, 873, 1017, 1019, 1863, 2231, 2599, 2619, 3051, 3057, 6693, 7797, 7857, 9153, 9171, 10961, 20079, 23391, 23437, 27513, 32883, 60237, 70173, 70311, 82539, 98649, 98843, 115147, 180711, 210519, 210933, 252103, 295947, 296529, 345441, 632799, 756309, 887841, 889587, 1036323, 1898397, 2268927, 2273389, 2648381, 2668761, 3108969, 6806781, 6820167, 7945143, 8006283, 9326907, 11169259, 20420343, 20460501, 23835429, 33507777, 61381503, 71506287, 100523331, 184144509, 214518861, 256892957, 301569993, 770678871, 904709979, 2312036613, 6936109839, 20808329517]

約数ペア:

[(1, 20808329517), (3, 6936109839), (9, 2312036613), (23, 904709979), (27, 770678871), (69, 301569993), (81, 256892957), (97, 214518861), (113, 184144509), (207, 100523331), (291, 71506287), (339, 61381503), (621, 33507777), (873, 23835429), (1017, 20460501), (1019, 20420343), (1863, 11169259), (2231, 9326907), (2599, 8006283), (2619, 7945143), (3051, 6820167), (3057, 6806781), (6693, 3108969), (7797, 2668761), (7857, 2648381), (9153, 2273389), (9171, 2268927), (10961, 1898397), (20079, 1036323), (23391, 889587), (23437, 887841), (27513, 756309), (32883, 632799), (60237, 345441), (70173, 296529), (70311, 295947), (82539, 252103), (98649, 210933), (98843, 210519), (115147, 180711)]