20122865781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1\times {\mathrm{291041}}^1$

素因数の和:292276

約数の個数: 16

約数和(自身を含む): 28265999040

約数和(自身を除く): 8143133259

約数列:

[1, 3, 19, 57, 1213, 3639, 23047, 69141, 291041, 873123, 5529779, 16589337, 353032733, 1059098199, 6707621927, 20122865781]

約数ペア:

[(1, 20122865781), (3, 6707621927), (19, 1059098199), (57, 353032733), (1213, 16589337), (3639, 5529779), (23047, 873123), (69141, 291041)]