20594380

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5227}}^1$

素因数の和:5433

約数の個数: 24

約数和(自身を含む): 43476048

約数和(自身を除く): 22881668

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 5227, 10454, 20908, 26135, 52270, 104540, 1029719, 2059438, 4118876, 5148595, 10297190, 20594380]

約数ペア:

[(1, 20594380), (2, 10297190), (4, 5148595), (5, 4118876), (10, 2059438), (20, 1029719), (197, 104540), (394, 52270), (788, 26135), (985, 20908), (1970, 10454), (3940, 5227)]