20682968

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23719}}^1$

素因数の和:23834

約数の個数: 16

約数和(自身を含む): 39138000

約数和(自身を除く): 18455032

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23719, 47438, 94876, 189752, 2585371, 5170742, 10341484, 20682968]

約数ペア:

[(1, 20682968), (2, 10341484), (4, 5170742), (8, 2585371), (109, 189752), (218, 94876), (436, 47438), (872, 23719)]