20788204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{523}}^2$

素因数の和:1069

約数の個数: 18

約数和(自身を含む): 38367420

約数和(自身を除く): 17579216

約数列:

[1, 2, 4, 19, 38, 76, 523, 1046, 2092, 9937, 19874, 39748, 273529, 547058, 1094116, 5197051, 10394102, 20788204]

約数ペア:

[(1, 20788204), (2, 10394102), (4, 5197051), (19, 1094116), (38, 547058), (76, 273529), (523, 39748), (1046, 19874), (2092, 9937)]