20045728

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21601}}^1$

素因数の和:21640

約数の個数: 24

約数和(自身を含む): 40827780

約数和(自身を除く): 20782052

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21601, 43202, 86404, 172808, 345616, 626429, 691232, 1252858, 2505716, 5011432, 10022864, 20045728]

約数ペア:

[(1, 20045728), (2, 10022864), (4, 5011432), (8, 2505716), (16, 1252858), (29, 691232), (32, 626429), (58, 345616), (116, 172808), (232, 86404), (464, 43202), (928, 21601)]