20665026

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26699}}^1$

素因数の和:26750

約数の個数: 24

約数和(自身を含む): 45817200

約数和(自身を除く): 25152174

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26699, 53398, 80097, 160194, 240291, 480582, 1148057, 2296114, 3444171, 6888342, 10332513, 20665026]

約数ペア:

[(1, 20665026), (2, 10332513), (3, 6888342), (6, 3444171), (9, 2296114), (18, 1148057), (43, 480582), (86, 240291), (129, 160194), (258, 80097), (387, 53398), (774, 26699)]