20016864

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9929}}^1$

素因数の和:9952

約数の個数: 72

約数和(自身を含む): 65061360

約数和(自身を除く): 45044496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9929, 19858, 29787, 39716, 59574, 69503, 79432, 89361, 119148, 139006, 158864, 178722, 208509, 238296, 278012, 317728, 357444, 417018, 476592, 556024, 625527, 714888, 834036, 953184, 1112048, 1251054, 1429776, 1668072, 2224096, 2502108, 2859552, 3336144, 5004216, 6672288, 10008432, 20016864]

約数ペア:

[(1, 20016864), (2, 10008432), (3, 6672288), (4, 5004216), (6, 3336144), (7, 2859552), (8, 2502108), (9, 2224096), (12, 1668072), (14, 1429776), (16, 1251054), (18, 1112048), (21, 953184), (24, 834036), (28, 714888), (32, 625527), (36, 556024), (42, 476592), (48, 417018), (56, 357444), (63, 317728), (72, 278012), (84, 238296), (96, 208509), (112, 178722), (126, 158864), (144, 139006), (168, 119148), (224, 89361), (252, 79432), (288, 69503), (336, 59574), (504, 39716), (672, 29787), (1008, 19858), (2016, 9929)]