20395158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 49876992

約数和(自身を除く): 29481834

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 43, 46, 69, 86, 129, 138, 161, 258, 301, 322, 483, 491, 602, 903, 966, 982, 989, 1473, 1806, 1978, 2946, 2967, 3437, 5934, 6874, 6923, 10311, 11293, 13846, 20622, 20769, 21113, 22586, 33879, 41538, 42226, 63339, 67758, 79051, 126678, 147791, 158102, 237153, 295582, 443373, 474306, 485599, 886746, 971198, 1456797, 2913594, 3399193, 6798386, 10197579, 20395158]

約数ペア:

[(1, 20395158), (2, 10197579), (3, 6798386), (6, 3399193), (7, 2913594), (14, 1456797), (21, 971198), (23, 886746), (42, 485599), (43, 474306), (46, 443373), (69, 295582), (86, 237153), (129, 158102), (138, 147791), (161, 126678), (258, 79051), (301, 67758), (322, 63339), (483, 42226), (491, 41538), (602, 33879), (903, 22586), (966, 21113), (982, 20769), (989, 20622), (1473, 13846), (1806, 11293), (1978, 10311), (2946, 6923), (2967, 6874), (3437, 5934)]