20805586774

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20357717}}^1$

素因数の和:20357799

約数の個数: 16

約数和(自身を含む): 36155307168

約数和(自身を除く): 15349720394

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20357717, 40715434, 142504019, 285008038, 1486113341, 2972226682, 10402793387, 20805586774]

約数ペア:

[(1, 20805586774), (2, 10402793387), (7, 2972226682), (14, 1486113341), (73, 285008038), (146, 142504019), (511, 40715434), (1022, 20357717)]