20658802556

素因数分解:

$2^2\times 7^1\times {\mathrm{737814377}}^1$

素因数の和:737814388

約数の個数: 12

約数和(自身を含む): 41317605168

約数和(自身を除く): 20658802612

約数列:

[1, 2, 4, 7, 14, 28, 737814377, 1475628754, 2951257508, 5164700639, 10329401278, 20658802556]

約数ペア:

[(1, 20658802556), (2, 10329401278), (4, 5164700639), (7, 2951257508), (14, 1475628754), (28, 737814377)]