20161665580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144011897}}^1$

素因数の和:144011913

約数の個数: 24

約数和(自身を含む): 48387997728

約数和(自身を除く): 28226332148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144011897, 288023794, 576047588, 720059485, 1008083279, 1440118970, 2016166558, 2880237940, 4032333116, 5040416395, 10080832790, 20161665580]

約数ペア:

[(1, 20161665580), (2, 10080832790), (4, 5040416395), (5, 4032333116), (7, 2880237940), (10, 2016166558), (14, 1440118970), (20, 1008083279), (28, 720059485), (35, 576047588), (70, 288023794), (140, 144011897)]