20376660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{709}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 57254400

約数和(自身を除く): 36877740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 709, 958, 1418, 1437, 1916, 2127, 2395, 2836, 2874, 3545, 4254, 4790, 5748, 7090, 7185, 8508, 9580, 10635, 14180, 14370, 21270, 28740, 42540, 339611, 679222, 1018833, 1358444, 1698055, 2037666, 3396110, 4075332, 5094165, 6792220, 10188330, 20376660]

約数ペア:

[(1, 20376660), (2, 10188330), (3, 6792220), (4, 5094165), (5, 4075332), (6, 3396110), (10, 2037666), (12, 1698055), (15, 1358444), (20, 1018833), (30, 679222), (60, 339611), (479, 42540), (709, 28740), (958, 21270), (1418, 14370), (1437, 14180), (1916, 10635), (2127, 9580), (2395, 8508), (2836, 7185), (2874, 7090), (3545, 5748), (4254, 4790)]