20512586576

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{1999}}^1\times {\mathrm{3323}}^1$

素因数の和:5523

約数の個数: 40

約数和(自身を含む): 39981072000

約数和(自身を除く): 19468485424

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 1999, 3088, 3323, 3998, 6646, 7996, 13292, 15992, 26584, 31984, 53168, 385807, 641339, 771614, 1282678, 1543228, 2565356, 3086456, 5130712, 6172912, 6642677, 10261424, 13285354, 26570708, 53141416, 106282832, 1282036661, 2564073322, 5128146644, 10256293288, 20512586576]

約数ペア:

[(1, 20512586576), (2, 10256293288), (4, 5128146644), (8, 2564073322), (16, 1282036661), (193, 106282832), (386, 53141416), (772, 26570708), (1544, 13285354), (1999, 10261424), (3088, 6642677), (3323, 6172912), (3998, 5130712), (6646, 3086456), (7996, 2565356), (13292, 1543228), (15992, 1282678), (26584, 771614), (31984, 641339), (53168, 385807)]