20992070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190837}}^1$

素因数の和:190855

約数の個数: 16

約数和(自身を含む): 41221008

約数和(自身を除く): 20228938

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190837, 381674, 954185, 1908370, 2099207, 4198414, 10496035, 20992070]

約数ペア:

[(1, 20992070), (2, 10496035), (5, 4198414), (10, 2099207), (11, 1908370), (22, 954185), (55, 381674), (110, 190837)]