20402794

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9437}}^1$

素因数の和:9509

約数の個数: 16

約数和(自身を含む): 32617728

約数和(自身を除く): 12214934

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9437, 18874, 217051, 434102, 443539, 887078, 10201397, 20402794]

約数ペア:

[(1, 20402794), (2, 10201397), (23, 887078), (46, 443539), (47, 434102), (94, 217051), (1081, 18874), (2162, 9437)]