20148786020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2143}}^1\times {\mathrm{42737}}^1$

素因数の和:44900

約数の個数: 48

約数和(自身を含む): 46181657088

約数和(自身を除く): 26032871068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2143, 4286, 8572, 10715, 21430, 23573, 42737, 42860, 47146, 85474, 94292, 117865, 170948, 213685, 235730, 427370, 470107, 471460, 854740, 940214, 1880428, 2350535, 4701070, 9402140, 91585391, 183170782, 366341564, 457926955, 915853910, 1007439301, 1831707820, 2014878602, 4029757204, 5037196505, 10074393010, 20148786020]

約数ペア:

[(1, 20148786020), (2, 10074393010), (4, 5037196505), (5, 4029757204), (10, 2014878602), (11, 1831707820), (20, 1007439301), (22, 915853910), (44, 457926955), (55, 366341564), (110, 183170782), (220, 91585391), (2143, 9402140), (4286, 4701070), (8572, 2350535), (10715, 1880428), (21430, 940214), (23573, 854740), (42737, 471460), (42860, 470107), (47146, 427370), (85474, 235730), (94292, 213685), (117865, 170948)]