20286255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11177}}^1$

素因数の和:11207

約数の個数: 24

約数和(自身を含む): 35680176

約数和(自身を除く): 15393921

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11177, 33531, 55885, 122947, 167655, 368841, 614735, 1352417, 1844205, 4057251, 6762085, 20286255]

約数ペア:

[(1, 20286255), (3, 6762085), (5, 4057251), (11, 1844205), (15, 1352417), (33, 614735), (55, 368841), (121, 167655), (165, 122947), (363, 55885), (605, 33531), (1815, 11177)]