20097561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26479}}^1$

素因数の和:26516

約数の個数: 16

約数和(自身を含む): 30504960

約数和(自身を除く): 10407399

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26479, 79437, 291269, 609017, 873807, 1827051, 6699187, 20097561]

約数ペア:

[(1, 20097561), (3, 6699187), (11, 1827051), (23, 873807), (33, 609017), (69, 291269), (253, 79437), (759, 26479)]