20386886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41269}}^1$

素因数の和:41303

約数の個数: 16

約数和(自身を含む): 34666800

約数和(自身を除く): 14279914

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 41269, 82538, 536497, 784111, 1072994, 1568222, 10193443, 20386886]

約数ペア:

[(1, 20386886), (2, 10193443), (13, 1568222), (19, 1072994), (26, 784111), (38, 536497), (247, 82538), (494, 41269)]