20780064588

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40271443}}^1$

素因数の和:40271493

約数の個数: 24

約数和(自身を含む): 49614419008

約数和(自身を除く): 28834354420

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40271443, 80542886, 120814329, 161085772, 241628658, 483257316, 1731672049, 3463344098, 5195016147, 6926688196, 10390032294, 20780064588]

約数ペア:

[(1, 20780064588), (2, 10390032294), (3, 6926688196), (4, 5195016147), (6, 3463344098), (12, 1731672049), (43, 483257316), (86, 241628658), (129, 161085772), (172, 120814329), (258, 80542886), (516, 40271443)]