20119786687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{648377}}^1$

素因数の和:648439

約数の個数: 32

約数和(自身を含む): 27885441024

約数和(自身を除く): 7765654337

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2387, 2821, 4433, 31031, 648377, 4538639, 7132147, 8428901, 20099687, 49925029, 59002307, 92717911, 140697809, 221096557, 261295931, 649025377, 1547675899, 1829071517, 2874255241, 20119786687]

約数ペア:

[(1, 20119786687), (7, 2874255241), (11, 1829071517), (13, 1547675899), (31, 649025377), (77, 261295931), (91, 221096557), (143, 140697809), (217, 92717911), (341, 59002307), (403, 49925029), (1001, 20099687), (2387, 8428901), (2821, 7132147), (4433, 4538639), (31031, 648377)]