20751794

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1979}}^1$

素因数の和:2102

約数の個数: 24

約数和(自身を含む): 36566640

約数和(自身を除く): 15814846

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 1979, 3958, 5243, 10486, 13853, 27706, 96971, 193942, 211753, 423506, 1482271, 2964542, 10375897, 20751794]

約数ペア:

[(1, 20751794), (2, 10375897), (7, 2964542), (14, 1482271), (49, 423506), (98, 211753), (107, 193942), (214, 96971), (749, 27706), (1498, 13853), (1979, 10486), (3958, 5243)]