20806884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82567}}^1$

素因数の和:82584

約数の個数: 36

約数和(自身を含む): 60109504

約数和(自身を除く): 39302620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82567, 165134, 247701, 330268, 495402, 577969, 743103, 990804, 1155938, 1486206, 1733907, 2311876, 2972412, 3467814, 5201721, 6935628, 10403442, 20806884]

約数ペア:

[(1, 20806884), (2, 10403442), (3, 6935628), (4, 5201721), (6, 3467814), (7, 2972412), (9, 2311876), (12, 1733907), (14, 1486206), (18, 1155938), (21, 990804), (28, 743103), (36, 577969), (42, 495402), (63, 330268), (84, 247701), (126, 165134), (252, 82567)]