20470737

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3373}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 33146176

約数和(自身を除く): 12675439

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 3373, 6069, 10119, 23611, 57341, 70833, 172023, 401387, 974797, 1204161, 2924391, 6823579, 20470737]

約数ペア:

[(1, 20470737), (3, 6823579), (7, 2924391), (17, 1204161), (21, 974797), (51, 401387), (119, 172023), (289, 70833), (357, 57341), (867, 23611), (2023, 10119), (3373, 6069)]