20556689

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 23662080

約数和(自身を除く): 3105391

約数列:

[1, 17, 19, 31, 323, 527, 589, 2053, 10013, 34901, 39007, 63643, 663119, 1081931, 1209217, 20556689]

約数ペア:

[(1, 20556689), (17, 1209217), (19, 1081931), (31, 663119), (323, 63643), (527, 39007), (589, 34901), (2053, 10013)]