20911517

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2675683

約数列:

[1, 11, 41, 199, 233, 451, 2189, 2563, 8159, 9553, 46367, 89749, 105083, 510037, 1901047, 20911517]

約数ペア:

[(1, 20911517), (11, 1901047), (41, 510037), (199, 105083), (233, 89749), (451, 46367), (2189, 9553), (2563, 8159)]