20971269

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11149}}^1$

素因数の和:11185

約数の個数: 24

約数和(自身を含む): 34788000

約数和(自身を除く): 13816731

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11149, 33447, 100341, 122639, 211831, 367917, 635493, 1103751, 1906479, 2330141, 6990423, 20971269]

約数ペア:

[(1, 20971269), (3, 6990423), (9, 2330141), (11, 1906479), (19, 1103751), (33, 635493), (57, 367917), (99, 211831), (171, 122639), (209, 100341), (627, 33447), (1881, 11149)]