20932180

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1361}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 44047080

約数和(自身を除く): 23114900

約数列:

[1, 2, 4, 5, 10, 20, 769, 1361, 1538, 2722, 3076, 3845, 5444, 6805, 7690, 13610, 15380, 27220, 1046609, 2093218, 4186436, 5233045, 10466090, 20932180]

約数ペア:

[(1, 20932180), (2, 10466090), (4, 5233045), (5, 4186436), (10, 2093218), (20, 1046609), (769, 27220), (1361, 15380), (1538, 13610), (2722, 7690), (3076, 6805), (3845, 5444)]