20784093

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 31460352

約数和(自身を除く): 10676259

約数列:

[1, 3, 11, 33, 43, 97, 129, 151, 291, 453, 473, 1067, 1419, 1661, 3201, 4171, 4983, 6493, 12513, 14647, 19479, 43941, 45881, 71423, 137643, 161117, 214269, 483351, 629821, 1889463, 6928031, 20784093]

約数ペア:

[(1, 20784093), (3, 6928031), (11, 1889463), (33, 629821), (43, 483351), (97, 214269), (129, 161117), (151, 137643), (291, 71423), (453, 45881), (473, 43941), (1067, 19479), (1419, 14647), (1661, 12513), (3201, 6493), (4171, 4983)]