20906696

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{11719}}^1$

素因数の和:11948

約数の個数: 16

約数和(自身を含む): 39379200

約数和(自身を除く): 18472504

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 11719, 23438, 46876, 93752, 2613337, 5226674, 10453348, 20906696]

約数ペア:

[(1, 20906696), (2, 10453348), (4, 5226674), (8, 2613337), (223, 93752), (446, 46876), (892, 23438), (1784, 11719)]