20804438

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1451}}^1$

素因数の和:1627

約数の個数: 16

約数和(自身を含む): 31990464

約数和(自身を除く): 11186026

約数列:

[1, 2, 67, 107, 134, 214, 1451, 2902, 7169, 14338, 97217, 155257, 194434, 310514, 10402219, 20804438]

約数ペア:

[(1, 20804438), (2, 10402219), (67, 310514), (107, 194434), (134, 155257), (214, 97217), (1451, 14338), (2902, 7169)]