20197768070

素因数分解:

$2^1\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{966863}}^1$

素因数の和:968959

約数の個数: 16

約数和(自身を含む): 36373423680

約数和(自身を除く): 16175655610

約数列:

[1, 2, 5, 10, 2089, 4178, 10445, 20890, 966863, 1933726, 4834315, 9668630, 2019776807, 4039553614, 10098884035, 20197768070]

約数ペア:

[(1, 20197768070), (2, 10098884035), (5, 4039553614), (10, 2019776807), (2089, 9668630), (4178, 4834315), (10445, 1933726), (20890, 966863)]