20569906

素因数分解:

$2^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:934

約数の個数: 24

約数和(自身を含む): 36049536

約数和(自身を除く): 15479630

約数列:

[1, 2, 7, 14, 49, 98, 431, 487, 862, 974, 3017, 3409, 6034, 6818, 21119, 23863, 42238, 47726, 209897, 419794, 1469279, 2938558, 10284953, 20569906]

約数ペア:

[(1, 20569906), (2, 10284953), (7, 2938558), (14, 1469279), (49, 419794), (98, 209897), (431, 47726), (487, 42238), (862, 23863), (974, 21119), (3017, 6818), (3409, 6034)]