20838991

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 23436000

約数和(自身を除く): 2597009

約数列:

[1, 17, 19, 149, 323, 433, 2533, 2831, 7361, 8227, 48127, 64517, 139859, 1096789, 1225823, 20838991]

約数ペア:

[(1, 20838991), (17, 1225823), (19, 1096789), (149, 139859), (323, 64517), (433, 48127), (2533, 8227), (2831, 7361)]