20804867710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189135161}}^1$

素因数の和:189135179

約数の個数: 16

約数和(自身を含む): 40853194992

約数和(自身を除く): 20048327282

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189135161, 378270322, 945675805, 1891351610, 2080486771, 4160973542, 10402433855, 20804867710]

約数ペア:

[(1, 20804867710), (2, 10402433855), (5, 4160973542), (10, 2080486771), (11, 1891351610), (22, 945675805), (55, 378270322), (110, 189135161)]