20075283

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 32408640

約数和(自身を除く): 12333357

約数列:

[1, 3, 9, 17, 27, 51, 61, 81, 153, 183, 239, 459, 549, 717, 1037, 1377, 1647, 2151, 3111, 4063, 4941, 6453, 9333, 12189, 14579, 19359, 27999, 36567, 43737, 83997, 109701, 131211, 247843, 329103, 393633, 743529, 1180899, 2230587, 6691761, 20075283]

約数ペア:

[(1, 20075283), (3, 6691761), (9, 2230587), (17, 1180899), (27, 743529), (51, 393633), (61, 329103), (81, 247843), (153, 131211), (183, 109701), (239, 83997), (459, 43737), (549, 36567), (717, 27999), (1037, 19359), (1377, 14579), (1647, 12189), (2151, 9333), (3111, 6453), (4063, 4941)]