20188644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{240341}}^1$

素因数の和:240355

約数の個数: 24

約数和(自身を含む): 53836608

約数和(自身を除く): 33647964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 240341, 480682, 721023, 961364, 1442046, 1682387, 2884092, 3364774, 5047161, 6729548, 10094322, 20188644]

約数ペア:

[(1, 20188644), (2, 10094322), (3, 6729548), (4, 5047161), (6, 3364774), (7, 2884092), (12, 1682387), (14, 1442046), (21, 961364), (28, 721023), (42, 480682), (84, 240341)]