20711109

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7321}}^1$

素因数の和:7388

約数の個数: 16

約数和(自身を含む): 29522304

約数和(自身を除く): 8811195

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 7321, 21963, 168383, 300161, 505149, 900483, 6903703, 20711109]

約数ペア:

[(1, 20711109), (3, 6903703), (23, 900483), (41, 505149), (69, 300161), (123, 168383), (943, 21963), (2829, 7321)]