20196040

素因数分解:

$2^3\times 5^1\times {\mathrm{504901}}^1$

素因数の和:504912

約数の個数: 16

約数和(自身を含む): 45441180

約数和(自身を除く): 25245140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504901, 1009802, 2019604, 2524505, 4039208, 5049010, 10098020, 20196040]

約数ペア:

[(1, 20196040), (2, 10098020), (4, 5049010), (5, 4039208), (8, 2524505), (10, 2019604), (20, 1009802), (40, 504901)]