20870622

素因数分解:

$2^1\times 3^4\times {\mathrm{128831}}^1$

素因数の和:128845

約数の個数: 20

約数和(自身を含む): 46766016

約数和(自身を除く): 25895394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 128831, 257662, 386493, 772986, 1159479, 2318958, 3478437, 6956874, 10435311, 20870622]

約数ペア:

[(1, 20870622), (2, 10435311), (3, 6956874), (6, 3478437), (9, 2318958), (18, 1159479), (27, 772986), (54, 386493), (81, 257662), (162, 128831)]