20533856

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 72

約数和(自身を含む): 48288240

約数和(自身を除く): 27754384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 109, 112, 116, 203, 218, 224, 232, 406, 436, 464, 763, 812, 841, 872, 928, 1526, 1624, 1682, 1744, 3052, 3161, 3248, 3364, 3488, 5887, 6104, 6322, 6496, 6728, 11774, 12208, 12644, 13456, 22127, 23548, 24416, 25288, 26912, 44254, 47096, 50576, 88508, 91669, 94192, 101152, 177016, 183338, 188384, 354032, 366676, 641683, 708064, 733352, 1283366, 1466704, 2566732, 2933408, 5133464, 10266928, 20533856]

約数ペア:

[(1, 20533856), (2, 10266928), (4, 5133464), (7, 2933408), (8, 2566732), (14, 1466704), (16, 1283366), (28, 733352), (29, 708064), (32, 641683), (56, 366676), (58, 354032), (109, 188384), (112, 183338), (116, 177016), (203, 101152), (218, 94192), (224, 91669), (232, 88508), (406, 50576), (436, 47096), (464, 44254), (763, 26912), (812, 25288), (841, 24416), (872, 23548), (928, 22127), (1526, 13456), (1624, 12644), (1682, 12208), (1744, 11774), (3052, 6728), (3161, 6496), (3248, 6322), (3364, 6104), (3488, 5887)]