20804940107

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{1721}}^1\times {\mathrm{20807}}^1$

素因数の和:22618

約数の個数: 16

約数和(自身を含む): 24078684672

約数和(自身を除く): 3273744565

約数列:

[1, 7, 83, 581, 1721, 12047, 20807, 142843, 145649, 999901, 1726981, 12088867, 35808847, 250661929, 2972134301, 20804940107]

約数ペア:

[(1, 20804940107), (7, 2972134301), (83, 250661929), (581, 35808847), (1721, 12088867), (12047, 1726981), (20807, 999901), (142843, 145649)]