20508543

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10903}}^1$

素因数の和:10939

約数の個数: 24

約数和(自身を含む): 34020480

約数和(自身を除く): 13511937

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10903, 32709, 98127, 119933, 207157, 359799, 621471, 1079397, 1864413, 2278727, 6836181, 20508543]

約数ペア:

[(1, 20508543), (3, 6836181), (9, 2278727), (11, 1864413), (19, 1079397), (33, 621471), (57, 359799), (99, 207157), (171, 119933), (209, 98127), (627, 32709), (1881, 10903)]