20105140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91387}}^1$

素因数の和:91407

約数の個数: 24

約数和(自身を含む): 46059552

約数和(自身を除く): 25954412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91387, 182774, 365548, 456935, 913870, 1005257, 1827740, 2010514, 4021028, 5026285, 10052570, 20105140]

約数ペア:

[(1, 20105140), (2, 10052570), (4, 5026285), (5, 4021028), (10, 2010514), (11, 1827740), (20, 1005257), (22, 913870), (44, 456935), (55, 365548), (110, 182774), (220, 91387)]