20782376

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23833}}^1$

素因数の和:23948

約数の個数: 16

約数和(自身を含む): 39326100

約数和(自身を除く): 18543724

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23833, 47666, 95332, 190664, 2597797, 5195594, 10391188, 20782376]

約数ペア:

[(1, 20782376), (2, 10391188), (4, 5195594), (8, 2597797), (109, 190664), (218, 95332), (436, 47666), (872, 23833)]