20041120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 52799040

約数和(自身を除く): 32757920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 80, 88, 110, 118, 160, 176, 193, 220, 236, 295, 352, 386, 440, 472, 590, 649, 772, 880, 944, 965, 1180, 1298, 1544, 1760, 1888, 1930, 2123, 2360, 2596, 3088, 3245, 3860, 4246, 4720, 5192, 6176, 6490, 7720, 8492, 9440, 10384, 10615, 11387, 12980, 15440, 16984, 20768, 21230, 22774, 25960, 30880, 33968, 42460, 45548, 51920, 56935, 67936, 84920, 91096, 103840, 113870, 125257, 169840, 182192, 227740, 250514, 339680, 364384, 455480, 501028, 626285, 910960, 1002056, 1252570, 1821920, 2004112, 2505140, 4008224, 5010280, 10020560, 20041120]

約数ペア:

[(1, 20041120), (2, 10020560), (4, 5010280), (5, 4008224), (8, 2505140), (10, 2004112), (11, 1821920), (16, 1252570), (20, 1002056), (22, 910960), (32, 626285), (40, 501028), (44, 455480), (55, 364384), (59, 339680), (80, 250514), (88, 227740), (110, 182192), (118, 169840), (160, 125257), (176, 113870), (193, 103840), (220, 91096), (236, 84920), (295, 67936), (352, 56935), (386, 51920), (440, 45548), (472, 42460), (590, 33968), (649, 30880), (772, 25960), (880, 22774), (944, 21230), (965, 20768), (1180, 16984), (1298, 15440), (1544, 12980), (1760, 11387), (1888, 10615), (1930, 10384), (2123, 9440), (2360, 8492), (2596, 7720), (3088, 6490), (3245, 6176), (3860, 5192), (4246, 4720)]