20187882004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{117371407}}^1$

素因数の和:117371454

約数の個数: 12

約数和(自身を含む): 36150393664

約数和(自身を除く): 15962511660

約数列:

[1, 2, 4, 43, 86, 172, 117371407, 234742814, 469485628, 5046970501, 10093941002, 20187882004]

約数ペア:

[(1, 20187882004), (2, 10093941002), (4, 5046970501), (43, 469485628), (86, 234742814), (172, 117371407)]