20489472

素因数分解:

$2^8\times 3^2\times {\mathrm{8893}}^1$

素因数の和:8915

約数の個数: 54

約数和(自身を含む): 59082842

約数和(自身を除く): 38593370

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 8893, 17786, 26679, 35572, 53358, 71144, 80037, 106716, 142288, 160074, 213432, 284576, 320148, 426864, 569152, 640296, 853728, 1138304, 1280592, 1707456, 2276608, 2561184, 3414912, 5122368, 6829824, 10244736, 20489472]

約数ペア:

[(1, 20489472), (2, 10244736), (3, 6829824), (4, 5122368), (6, 3414912), (8, 2561184), (9, 2276608), (12, 1707456), (16, 1280592), (18, 1138304), (24, 853728), (32, 640296), (36, 569152), (48, 426864), (64, 320148), (72, 284576), (96, 213432), (128, 160074), (144, 142288), (192, 106716), (256, 80037), (288, 71144), (384, 53358), (576, 35572), (768, 26679), (1152, 17786), (2304, 8893)]