20403969394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{5101}}^1\times {\mathrm{105263}}^1$

素因数の和:110385

約数の個数: 16

約数和(自身を含む): 32223415680

約数和(自身を除く): 11819446286

約数列:

[1, 2, 19, 38, 5101, 10202, 96919, 105263, 193838, 210526, 1999997, 3999994, 536946563, 1073893126, 10201984697, 20403969394]

約数ペア:

[(1, 20403969394), (2, 10201984697), (19, 1073893126), (38, 536946563), (5101, 3999994), (10202, 1999997), (96919, 210526), (105263, 193838)]