20089979

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{797}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 24846528

約数和(自身を除く): 4756549

約数列:

[1, 7, 13, 91, 277, 797, 1939, 3601, 5579, 10361, 25207, 72527, 220769, 1545383, 2869997, 20089979]

約数ペア:

[(1, 20089979), (7, 2869997), (13, 1545383), (91, 220769), (277, 72527), (797, 25207), (1939, 10361), (3601, 5579)]