20216284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1747}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 38763648

約数和(自身を除く): 18547364

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1747, 2893, 3494, 5786, 6988, 11572, 19217, 38434, 76868, 459461, 918922, 1837844, 5054071, 10108142, 20216284]

約数ペア:

[(1, 20216284), (2, 10108142), (4, 5054071), (11, 1837844), (22, 918922), (44, 459461), (263, 76868), (526, 38434), (1052, 19217), (1747, 11572), (2893, 6988), (3494, 5786)]