20109639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10372281

約数列:

[1, 3, 11, 33, 41, 89, 123, 167, 267, 451, 501, 979, 1353, 1837, 2937, 3649, 5511, 6847, 10947, 14863, 20541, 40139, 44589, 75317, 120417, 163493, 225951, 490479, 609383, 1828149, 6703213, 20109639]

約数ペア:

[(1, 20109639), (3, 6703213), (11, 1828149), (33, 609383), (41, 490479), (89, 225951), (123, 163493), (167, 120417), (267, 75317), (451, 44589), (501, 40139), (979, 20541), (1353, 14863), (1837, 10947), (2937, 6847), (3649, 5511)]