20005535

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 27036240

約数和(自身を除く): 7030705

約数列:

[1, 5, 11, 43, 55, 121, 215, 473, 605, 769, 2365, 3845, 5203, 8459, 26015, 33067, 42295, 93049, 165335, 363737, 465245, 1818685, 4001107, 20005535]

約数ペア:

[(1, 20005535), (5, 4001107), (11, 1818685), (43, 465245), (55, 363737), (121, 165335), (215, 93049), (473, 42295), (605, 33067), (769, 26015), (2365, 8459), (3845, 5203)]