20804879590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189135269}}^1$

素因数の和:189135287

約数の個数: 16

約数和(自身を含む): 40853218320

約数和(自身を除く): 20048338730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189135269, 378270538, 945676345, 1891352690, 2080487959, 4160975918, 10402439795, 20804879590]

約数ペア:

[(1, 20804879590), (2, 10402439795), (5, 4160975918), (10, 2080487959), (11, 1891352690), (22, 945676345), (55, 378270538), (110, 189135269)]