20181588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{240257}}^1$

素因数の和:240271

約数の個数: 24

約数和(自身を含む): 53817792

約数和(自身を除く): 33636204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 240257, 480514, 720771, 961028, 1441542, 1681799, 2883084, 3363598, 5045397, 6727196, 10090794, 20181588]

約数ペア:

[(1, 20181588), (2, 10090794), (3, 6727196), (4, 5045397), (6, 3363598), (7, 2883084), (12, 1681799), (14, 1441542), (21, 961028), (28, 720771), (42, 480514), (84, 240257)]