20980424

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{55799}}^1$

素因数の和:55852

約数の個数: 16

約数和(自身を含む): 40176000

約数和(自身を除く): 19195576

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 55799, 111598, 223196, 446392, 2622553, 5245106, 10490212, 20980424]

約数ペア:

[(1, 20980424), (2, 10490212), (4, 5245106), (8, 2622553), (47, 446392), (94, 223196), (188, 111598), (376, 55799)]