20423912

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{43271}}^1$

素因数の和:43336

約数の個数: 16

約数和(自身を含む): 38944800

約数和(自身を除く): 18520888

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 43271, 86542, 173084, 346168, 2552989, 5105978, 10211956, 20423912]

約数ペア:

[(1, 20423912), (2, 10211956), (4, 5105978), (8, 2552989), (59, 346168), (118, 173084), (236, 86542), (472, 43271)]