16724420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19447}}^1$

素因数の和:19499

約数の個数: 24

約数和(自身を含む): 35939904

約数和(自身を除く): 19215484

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19447, 38894, 77788, 97235, 194470, 388940, 836221, 1672442, 3344884, 4181105, 8362210, 16724420]

約数ペア:

[(1, 16724420), (2, 8362210), (4, 4181105), (5, 3344884), (10, 1672442), (20, 836221), (43, 388940), (86, 194470), (172, 97235), (215, 77788), (430, 38894), (860, 19447)]