20081908084

素因数分解:

$2^2\times 7^1\times {\mathrm{717211003}}^1$

素因数の和:717211014

約数の個数: 12

約数和(自身を含む): 40163816224

約数和(自身を除く): 20081908140

約数列:

[1, 2, 4, 7, 14, 28, 717211003, 1434422006, 2868844012, 5020477021, 10040954042, 20081908084]

約数ペア:

[(1, 20081908084), (2, 10040954042), (4, 5020477021), (7, 2868844012), (14, 1434422006), (28, 717211003)]