20163566780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144025477}}^1$

素因数の和:144025493

約数の個数: 24

約数和(自身を含む): 48392560608

約数和(自身を除く): 28228993828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144025477, 288050954, 576101908, 720127385, 1008178339, 1440254770, 2016356678, 2880509540, 4032713356, 5040891695, 10081783390, 20163566780]

約数ペア:

[(1, 20163566780), (2, 10081783390), (4, 5040891695), (5, 4032713356), (7, 2880509540), (10, 2016356678), (14, 1440254770), (20, 1008178339), (28, 720127385), (35, 576101908), (70, 288050954), (140, 144025477)]