20451663

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2621}}^1$

素因数の和:2664

約数の個数: 24

約数和(自身を含む): 32198160

約数和(自身を除く): 11746497

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 2621, 7803, 7863, 23589, 44557, 70767, 133671, 401013, 757469, 1203039, 2272407, 6817221, 20451663]

約数ペア:

[(1, 20451663), (3, 6817221), (9, 2272407), (17, 1203039), (27, 757469), (51, 401013), (153, 133671), (289, 70767), (459, 44557), (867, 23589), (2601, 7863), (2621, 7803)]