20020689

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19013}}^1$

素因数の和:19038

約数の個数: 20

約数和(自身を含む): 32209716

約数和(自身を除く): 12189027

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19013, 57039, 171117, 247169, 513351, 741507, 1540053, 2224521, 6673563, 20020689]

約数ペア:

[(1, 20020689), (3, 6673563), (9, 2224521), (13, 1540053), (27, 741507), (39, 513351), (81, 247169), (117, 171117), (351, 57039), (1053, 19013)]