20786114

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12721}}^1$

素因数の和:12785

約数の個数: 16

約数和(自身を含む): 33586080

約数和(自身を除く): 12799966

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12721, 25442, 241699, 483398, 547003, 1094006, 10393057, 20786114]

約数ペア:

[(1, 20786114), (2, 10393057), (19, 1094006), (38, 547003), (43, 483398), (86, 241699), (817, 25442), (1634, 12721)]