20394808

素因数分解:

$2^3\times 7^1\times {\mathrm{364193}}^1$

素因数の和:364206

約数の個数: 16

約数和(自身を含む): 43703280

約数和(自身を除く): 23308472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364193, 728386, 1456772, 2549351, 2913544, 5098702, 10197404, 20394808]

約数ペア:

[(1, 20394808), (2, 10197404), (4, 5098702), (7, 2913544), (8, 2549351), (14, 1456772), (28, 728386), (56, 364193)]