20578408047

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1042631}}^1$

素因数の和:1042700

約数の個数: 32

約数和(自身を含む): 33030581760

約数和(自身を除く): 12452173713

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1161, 2193, 6579, 19737, 1042631, 3127893, 9383679, 17724727, 28151037, 44833133, 53174181, 134499399, 159522543, 403498197, 478567629, 762163261, 1210494591, 2286489783, 6859469349, 20578408047]

約数ペア:

[(1, 20578408047), (3, 6859469349), (9, 2286489783), (17, 1210494591), (27, 762163261), (43, 478567629), (51, 403498197), (129, 159522543), (153, 134499399), (387, 53174181), (459, 44833133), (731, 28151037), (1161, 17724727), (2193, 9383679), (6579, 3127893), (19737, 1042631)]