20492821

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 1539179

約数列:

[1, 29, 53, 67, 199, 1537, 1943, 3551, 5771, 10547, 13333, 102979, 305863, 386657, 706649, 20492821]

約数ペア:

[(1, 20492821), (29, 706649), (53, 386657), (67, 305863), (199, 102979), (1537, 13333), (1943, 10547), (3551, 5771)]