2011878220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9144901}}^1$

素因数の和:9144921

約数の個数: 24

約数和(自身を含む): 4609030608

約数和(自身を除く): 2597152388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9144901, 18289802, 36579604, 45724505, 91449010, 100593911, 182898020, 201187822, 402375644, 502969555, 1005939110, 2011878220]

約数ペア:

[(1, 2011878220), (2, 1005939110), (4, 502969555), (5, 402375644), (10, 201187822), (11, 182898020), (20, 100593911), (22, 91449010), (44, 45724505), (55, 36579604), (110, 18289802), (220, 9144901)]