16201540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18839}}^1$

素因数の和:18891

約数の個数: 24

約数和(自身を含む): 34816320

約数和(自身を除く): 18614780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18839, 37678, 75356, 94195, 188390, 376780, 810077, 1620154, 3240308, 4050385, 8100770, 16201540]

約数ペア:

[(1, 16201540), (2, 8100770), (4, 4050385), (5, 3240308), (10, 1620154), (20, 810077), (43, 376780), (86, 188390), (172, 94195), (215, 75356), (430, 37678), (860, 18839)]