20664842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{11317}}^1$

素因数の和:11413

約数の個数: 16

約数和(自身を含む): 34225632

約数和(自身を除く): 13560790

約数列:

[1, 2, 11, 22, 83, 166, 913, 1826, 11317, 22634, 124487, 248974, 939311, 1878622, 10332421, 20664842]

約数ペア:

[(1, 20664842), (2, 10332421), (11, 1878622), (22, 939311), (83, 248974), (166, 124487), (913, 22634), (1826, 11317)]