20804868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82559}}^1$

素因数の和:82576

約数の個数: 36

約数和(自身を含む): 60103680

約数和(自身を除く): 39298812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82559, 165118, 247677, 330236, 495354, 577913, 743031, 990708, 1155826, 1486062, 1733739, 2311652, 2972124, 3467478, 5201217, 6934956, 10402434, 20804868]

約数ペア:

[(1, 20804868), (2, 10402434), (3, 6934956), (4, 5201217), (6, 3467478), (7, 2972124), (9, 2311652), (12, 1733739), (14, 1486062), (18, 1155826), (21, 990708), (28, 743031), (36, 577913), (42, 495354), (63, 330236), (84, 247677), (126, 165118), (252, 82559)]