20864542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26681}}^1$

素因数の和:26723

約数の個数: 16

約数和(自身を含む): 34579872

約数和(自身を除く): 13715330

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26681, 53362, 453577, 613663, 907154, 1227326, 10432271, 20864542]

約数ペア:

[(1, 20864542), (2, 10432271), (17, 1227326), (23, 907154), (34, 613663), (46, 453577), (391, 53362), (782, 26681)]