20417656

素因数分解:

$2^3\times 7^1\times {\mathrm{364601}}^1$

素因数の和:364614

約数の個数: 16

約数和(自身を含む): 43752240

約数和(自身を除く): 23334584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364601, 729202, 1458404, 2552207, 2916808, 5104414, 10208828, 20417656]

約数ペア:

[(1, 20417656), (2, 10208828), (4, 5104414), (7, 2916808), (8, 2552207), (14, 1458404), (28, 729202), (56, 364601)]