20565386068

素因数分解:

$2^2\times {\mathrm{129443}}^1\times {\mathrm{39719}}^1$

素因数の和:169166

約数の個数: 12

約数和(自身を含む): 35990609760

約数和(自身を除く): 15425223692

約数列:

[1, 2, 4, 39719, 79438, 129443, 158876, 258886, 517772, 5141346517, 10282693034, 20565386068]

約数ペア:

[(1, 20565386068), (2, 10282693034), (4, 5141346517), (39719, 517772), (79438, 258886), (129443, 158876)]