20996008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238591}}^1$

素因数の和:238608

約数の個数: 16

約数和(自身を含む): 42946560

約数和(自身を除く): 21950552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238591, 477182, 954364, 1908728, 2624501, 5249002, 10498004, 20996008]

約数ペア:

[(1, 20996008), (2, 10498004), (4, 5249002), (8, 2624501), (11, 1908728), (22, 954364), (44, 477182), (88, 238591)]