20166745172

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{517043}}^1$

素因数の和:517260

約数の個数: 36

約数和(自身を含む): 41260111200

約数和(自身を除く): 21093366028

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 796, 1393, 2786, 5572, 9751, 19502, 39004, 517043, 1034086, 2068172, 3619301, 7238602, 14477204, 25335107, 50670214, 101340428, 102891557, 205783114, 411566228, 720240899, 1440481798, 2880963596, 5041686293, 10083372586, 20166745172]

約数ペア:

[(1, 20166745172), (2, 10083372586), (4, 5041686293), (7, 2880963596), (14, 1440481798), (28, 720240899), (49, 411566228), (98, 205783114), (196, 102891557), (199, 101340428), (398, 50670214), (796, 25335107), (1393, 14477204), (2786, 7238602), (5572, 3619301), (9751, 2068172), (19502, 1034086), (39004, 517043)]