20438124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243311}}^1$

素因数の和:243325

約数の個数: 24

約数和(自身を含む): 54501888

約数和(自身を除く): 34063764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243311, 486622, 729933, 973244, 1459866, 1703177, 2919732, 3406354, 5109531, 6812708, 10219062, 20438124]

約数ペア:

[(1, 20438124), (2, 10219062), (3, 6812708), (4, 5109531), (6, 3406354), (7, 2919732), (12, 1703177), (14, 1459866), (21, 973244), (28, 729933), (42, 486622), (84, 243311)]