2005944820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9117931}}^1$

素因数の和:9117951

約数の個数: 24

約数和(自身を含む): 4595437728

約数和(自身を除く): 2589492908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9117931, 18235862, 36471724, 45589655, 91179310, 100297241, 182358620, 200594482, 401188964, 501486205, 1002972410, 2005944820]

約数ペア:

[(1, 2005944820), (2, 1002972410), (4, 501486205), (5, 401188964), (10, 200594482), (11, 182358620), (20, 100297241), (22, 91179310), (44, 45589655), (55, 36471724), (110, 18235862), (220, 9117931)]