20279316

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39301}}^1$

素因数の和:39351

約数の個数: 24

約数和(自身を含む): 48420064

約数和(自身を除く): 28140748

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39301, 78602, 117903, 157204, 235806, 471612, 1689943, 3379886, 5069829, 6759772, 10139658, 20279316]

約数ペア:

[(1, 20279316), (2, 10139658), (3, 6759772), (4, 5069829), (6, 3379886), (12, 1689943), (43, 471612), (86, 235806), (129, 157204), (172, 117903), (258, 78602), (516, 39301)]