20143281

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2168

約数の個数: 16

約数和(自身を含む): 27907200

約数和(自身を除く): 7763919

約数列:

[1, 3, 37, 89, 111, 267, 2039, 3293, 6117, 9879, 75443, 181471, 226329, 544413, 6714427, 20143281]

約数ペア:

[(1, 20143281), (3, 6714427), (37, 544413), (89, 226329), (111, 181471), (267, 75443), (2039, 9879), (3293, 6117)]