20862710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189661}}^1$

素因数の和:189679

約数の個数: 16

約数和(自身を含む): 40966992

約数和(自身を除く): 20104282

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189661, 379322, 948305, 1896610, 2086271, 4172542, 10431355, 20862710]

約数ペア:

[(1, 20862710), (2, 10431355), (5, 4172542), (10, 2086271), (11, 1896610), (22, 948305), (55, 379322), (110, 189661)]