20028525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2207}}^1$

素因数の和:2242

約数の個数: 36

約数和(自身を含む): 36414336

約数和(自身を除く): 16385811

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 2207, 3025, 6621, 9075, 11035, 24277, 33105, 55175, 72831, 121385, 165525, 267047, 364155, 606925, 801141, 1335235, 1820775, 4005705, 6676175, 20028525]

約数ペア:

[(1, 20028525), (3, 6676175), (5, 4005705), (11, 1820775), (15, 1335235), (25, 801141), (33, 606925), (55, 364155), (75, 267047), (121, 165525), (165, 121385), (275, 72831), (363, 55175), (605, 33105), (825, 24277), (1815, 11035), (2207, 9075), (3025, 6621)]