20827496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 41342400

約数和(自身を除く): 20514904

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 263, 521, 526, 1042, 1052, 2084, 2104, 4168, 4997, 9899, 9994, 19798, 19988, 39596, 39976, 79192, 137023, 274046, 548092, 1096184, 2603437, 5206874, 10413748, 20827496]

約数ペア:

[(1, 20827496), (2, 10413748), (4, 5206874), (8, 2603437), (19, 1096184), (38, 548092), (76, 274046), (152, 137023), (263, 79192), (521, 39976), (526, 39596), (1042, 19988), (1052, 19798), (2084, 9994), (2104, 9899), (4168, 4997)]