20176976

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29327}}^1$

素因数の和:29378

約数の個数: 20

約数和(自身を含む): 40003392

約数和(自身を除く): 19826416

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29327, 58654, 117308, 234616, 469232, 1261061, 2522122, 5044244, 10088488, 20176976]

約数ペア:

[(1, 20176976), (2, 10088488), (4, 5044244), (8, 2522122), (16, 1261061), (43, 469232), (86, 234616), (172, 117308), (344, 58654), (688, 29327)]