20159993812

素因数分解:

$2^2\times 7^1\times {\mathrm{719999779}}^1$

素因数の和:719999790

約数の個数: 12

約数和(自身を含む): 40319987680

約数和(自身を除く): 20159993868

約数列:

[1, 2, 4, 7, 14, 28, 719999779, 1439999558, 2879999116, 5039998453, 10079996906, 20159993812]

約数ペア:

[(1, 20159993812), (2, 10079996906), (4, 5039998453), (7, 2879999116), (14, 1439999558), (28, 719999779)]