20353648

素因数分解:

$2^4\times 7^1\times {\mathrm{181729}}^1$

素因数の和:181744

約数の個数: 20

約数和(自身を含む): 45069040

約数和(自身を除く): 24715392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181729, 363458, 726916, 1272103, 1453832, 2544206, 2907664, 5088412, 10176824, 20353648]

約数ペア:

[(1, 20353648), (2, 10176824), (4, 5088412), (7, 2907664), (8, 2544206), (14, 1453832), (16, 1272103), (28, 726916), (56, 363458), (112, 181729)]