20013519

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3259}}^1$

素因数の和:3374

約数の個数: 16

約数和(自身を含む): 28166400

約数和(自身を除く): 8152881

約数列:

[1, 3, 23, 69, 89, 267, 2047, 3259, 6141, 9777, 74957, 224871, 290051, 870153, 6671173, 20013519]

約数ペア:

[(1, 20013519), (3, 6671173), (23, 870153), (69, 290051), (89, 224871), (267, 74957), (2047, 9777), (3259, 6141)]