20992048

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1549}}^1$

素因数の和:1586

約数の個数: 60

約数和(自身を含む): 51125200

約数和(自身を除く): 30133152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1549, 1694, 1936, 3098, 3388, 6196, 6776, 10843, 12392, 13552, 17039, 21686, 24784, 34078, 43372, 68156, 86744, 119273, 136312, 173488, 187429, 238546, 272624, 374858, 477092, 749716, 954184, 1312003, 1499432, 1908368, 2624006, 2998864, 5248012, 10496024, 20992048]

約数ペア:

[(1, 20992048), (2, 10496024), (4, 5248012), (7, 2998864), (8, 2624006), (11, 1908368), (14, 1499432), (16, 1312003), (22, 954184), (28, 749716), (44, 477092), (56, 374858), (77, 272624), (88, 238546), (112, 187429), (121, 173488), (154, 136312), (176, 119273), (242, 86744), (308, 68156), (484, 43372), (616, 34078), (847, 24784), (968, 21686), (1232, 17039), (1549, 13552), (1694, 12392), (1936, 10843), (3098, 6776), (3388, 6196)]