20359340

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1861}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 42855792

約数和(自身を除く): 22496452

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 1861, 2188, 2735, 3722, 5470, 7444, 9305, 10940, 18610, 37220, 1017967, 2035934, 4071868, 5089835, 10179670, 20359340]

約数ペア:

[(1, 20359340), (2, 10179670), (4, 5089835), (5, 4071868), (10, 2035934), (20, 1017967), (547, 37220), (1094, 18610), (1861, 10940), (2188, 9305), (2735, 7444), (3722, 5470)]