20656581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36821}}^1$

素因数の和:36852

約数の個数: 16

約数和(自身を含む): 31814208

約数和(自身を除く): 11157627

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36821, 110463, 405031, 625957, 1215093, 1877871, 6885527, 20656581]

約数ペア:

[(1, 20656581), (3, 6885527), (11, 1877871), (17, 1215093), (33, 625957), (51, 405031), (187, 110463), (561, 36821)]