20394429

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3001

約数の個数: 24

約数和(自身を含む): 31473120

約数和(自身を除く): 11078691

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 2299, 2957, 6897, 8871, 32527, 56183, 97581, 168549, 357797, 618013, 1073391, 1854039, 6798143, 20394429]

約数ペア:

[(1, 20394429), (3, 6798143), (11, 1854039), (19, 1073391), (33, 618013), (57, 357797), (121, 168549), (209, 97581), (363, 56183), (627, 32527), (2299, 8871), (2957, 6897)]