20680376

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{55001}}^1$

素因数の和:55054

約数の個数: 16

約数和(自身を含む): 39601440

約数和(自身を除く): 18921064

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 55001, 110002, 220004, 440008, 2585047, 5170094, 10340188, 20680376]

約数ペア:

[(1, 20680376), (2, 10340188), (4, 5170094), (8, 2585047), (47, 440008), (94, 220004), (188, 110002), (376, 55001)]