16823920

素因数分解:

$2^4\times 5^1\times {\mathrm{210299}}^1$

素因数の和:210312

約数の個数: 20

約数和(自身を含む): 39115800

約数和(自身を除く): 22291880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210299, 420598, 841196, 1051495, 1682392, 2102990, 3364784, 4205980, 8411960, 16823920]

約数ペア:

[(1, 16823920), (2, 8411960), (4, 4205980), (5, 3364784), (8, 2102990), (10, 1682392), (16, 1051495), (20, 841196), (40, 420598), (80, 210299)]