20415758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7307}}^1$

素因数の和:7447

約数の個数: 16

約数和(自身を含む): 33675264

約数和(自身を除く): 13259506

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7307, 14614, 80377, 160754, 927989, 1855978, 10207879, 20415758]

約数ペア:

[(1, 20415758), (2, 10207879), (11, 1855978), (22, 927989), (127, 160754), (254, 80377), (1397, 14614), (2794, 7307)]