20205537268

素因数分解:

$2^2\times 7^1\times {\mathrm{721626331}}^1$

素因数の和:721626342

約数の個数: 12

約数和(自身を含む): 40411074592

約数和(自身を除く): 20205537324

約数列:

[1, 2, 4, 7, 14, 28, 721626331, 1443252662, 2886505324, 5051384317, 10102768634, 20205537268]

約数ペア:

[(1, 20205537268), (2, 10102768634), (4, 5051384317), (7, 2886505324), (14, 1443252662), (28, 721626331)]