20416160

素因数分解:

$2^5\times 5^1\times {\mathrm{127601}}^1$

素因数の和:127616

約数の個数: 24

約数和(自身を含む): 48233556

約数和(自身を除く): 27817396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127601, 255202, 510404, 638005, 1020808, 1276010, 2041616, 2552020, 4083232, 5104040, 10208080, 20416160]

約数ペア:

[(1, 20416160), (2, 10208080), (4, 5104040), (5, 4083232), (8, 2552020), (10, 2041616), (16, 1276010), (20, 1020808), (32, 638005), (40, 510404), (80, 255202), (160, 127601)]