20760309

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 31030272

約数和(自身を除く): 10269963

約数列:

[1, 3, 9, 41, 123, 127, 369, 381, 443, 1143, 1329, 3987, 5207, 15621, 18163, 46863, 54489, 56261, 163467, 168783, 506349, 2306701, 6920103, 20760309]

約数ペア:

[(1, 20760309), (3, 6920103), (9, 2306701), (41, 506349), (123, 168783), (127, 163467), (369, 56261), (381, 54489), (443, 46863), (1143, 18163), (1329, 15621), (3987, 5207)]