20858464

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5387}}^1$

素因数の和:5419

約数の個数: 36

約数和(自身を含む): 45146052

約数和(自身を除く): 24287588

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5387, 10774, 21548, 43096, 59257, 86192, 118514, 172384, 237028, 474056, 651827, 948112, 1303654, 1896224, 2607308, 5214616, 10429232, 20858464]

約数ペア:

[(1, 20858464), (2, 10429232), (4, 5214616), (8, 2607308), (11, 1896224), (16, 1303654), (22, 948112), (32, 651827), (44, 474056), (88, 237028), (121, 172384), (176, 118514), (242, 86192), (352, 59257), (484, 43096), (968, 21548), (1936, 10774), (3872, 5387)]