20746728

素因数分解:

$2^3\times 3^2\times {\mathrm{193}}^1\times {\mathrm{1493}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 56518020

約数和(自身を除く): 35771292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 193, 386, 579, 772, 1158, 1493, 1544, 1737, 2316, 2986, 3474, 4479, 4632, 5972, 6948, 8958, 11944, 13437, 13896, 17916, 26874, 35832, 53748, 107496, 288149, 576298, 864447, 1152596, 1728894, 2305192, 2593341, 3457788, 5186682, 6915576, 10373364, 20746728]

約数ペア:

[(1, 20746728), (2, 10373364), (3, 6915576), (4, 5186682), (6, 3457788), (8, 2593341), (9, 2305192), (12, 1728894), (18, 1152596), (24, 864447), (36, 576298), (72, 288149), (193, 107496), (386, 53748), (579, 35832), (772, 26874), (1158, 17916), (1493, 13896), (1544, 13437), (1737, 11944), (2316, 8958), (2986, 6948), (3474, 5972), (4479, 4632)]