20804948344

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{60479501}}^1$

素因数の和:60479550

約数の個数: 16

約数和(自身を含む): 39916471320

約数和(自身を除く): 19111522976

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 60479501, 120959002, 241918004, 483836008, 2600618543, 5201237086, 10402474172, 20804948344]

約数ペア:

[(1, 20804948344), (2, 10402474172), (4, 5201237086), (8, 2600618543), (43, 483836008), (86, 241918004), (172, 120959002), (344, 60479501)]