20881728

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{5179}}^1$

素因数の和:5204

約数の個数: 84

約数和(自身を含む): 68417440

約数和(自身を除く): 47535712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 5179, 10358, 15537, 20716, 31074, 36253, 41432, 46611, 62148, 72506, 82864, 93222, 108759, 124296, 145012, 165728, 186444, 217518, 248592, 290024, 326277, 331456, 372888, 435036, 497184, 580048, 652554, 745776, 870072, 994368, 1160096, 1305108, 1491552, 1740144, 2320192, 2610216, 2983104, 3480288, 5220432, 6960576, 10440864, 20881728]

約数ペア:

[(1, 20881728), (2, 10440864), (3, 6960576), (4, 5220432), (6, 3480288), (7, 2983104), (8, 2610216), (9, 2320192), (12, 1740144), (14, 1491552), (16, 1305108), (18, 1160096), (21, 994368), (24, 870072), (28, 745776), (32, 652554), (36, 580048), (42, 497184), (48, 435036), (56, 372888), (63, 331456), (64, 326277), (72, 290024), (84, 248592), (96, 217518), (112, 186444), (126, 165728), (144, 145012), (168, 124296), (192, 108759), (224, 93222), (252, 82864), (288, 72506), (336, 62148), (448, 46611), (504, 41432), (576, 36253), (672, 31074), (1008, 20716), (1344, 15537), (2016, 10358), (4032, 5179)]