2147620

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 4544064

約数和(自身を除く): 2396444

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 643, 668, 835, 1286, 1670, 2572, 3215, 3340, 6430, 12860, 107381, 214762, 429524, 536905, 1073810, 2147620]

約数ペア:

[(1, 2147620), (2, 1073810), (4, 536905), (5, 429524), (10, 214762), (20, 107381), (167, 12860), (334, 6430), (643, 3340), (668, 3215), (835, 2572), (1286, 1670)]