20796821721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1871}}^1\times {\mathrm{95003}}^1$

素因数の和:96893

約数の個数: 24

約数和(自身を含む): 32368242816

約数和(自身を除く): 11571421095

約数列:

[1, 3, 9, 13, 39, 117, 1871, 5613, 16839, 24323, 72969, 95003, 218907, 285009, 855027, 1235039, 3705117, 11115351, 177750613, 533251839, 1599755517, 2310757969, 6932273907, 20796821721]

約数ペア:

[(1, 20796821721), (3, 6932273907), (9, 2310757969), (13, 1599755517), (39, 533251839), (117, 177750613), (1871, 11115351), (5613, 3705117), (16839, 1235039), (24323, 855027), (72969, 285009), (95003, 218907)]