20702549

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 26409240

約数和(自身を除く): 5706691

約数列:

[1, 7, 17, 29, 49, 119, 203, 493, 833, 857, 1421, 3451, 5999, 14569, 24157, 24853, 41993, 101983, 173971, 422501, 713881, 1217797, 2957507, 20702549]

約数ペア:

[(1, 20702549), (7, 2957507), (17, 1217797), (29, 713881), (49, 422501), (119, 173971), (203, 101983), (493, 41993), (833, 24853), (857, 24157), (1421, 14569), (3451, 5999)]