20201140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4787}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 42632352

約数和(自身を除く): 22431212

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4787, 9574, 19148, 23935, 47870, 95740, 1010057, 2020114, 4040228, 5050285, 10100570, 20201140]

約数ペア:

[(1, 20201140), (2, 10100570), (4, 5050285), (5, 4040228), (10, 2020114), (20, 1010057), (211, 95740), (422, 47870), (844, 23935), (1055, 19148), (2110, 9574), (4220, 4787)]