20648041

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 22528000

約数和(自身を除く): 1879959

約数列:

[1, 19, 43, 127, 199, 817, 2413, 3781, 5461, 8557, 25273, 103759, 162583, 480187, 1086739, 20648041]

約数ペア:

[(1, 20648041), (19, 1086739), (43, 480187), (127, 162583), (199, 103759), (817, 25273), (2413, 8557), (3781, 5461)]