13427420

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1319}}^1$

素因数の和:1837

約数の個数: 24

約数和(自身を含む): 28274400

約数和(自身を除く): 14846980

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1319, 2036, 2545, 2638, 5090, 5276, 6595, 10180, 13190, 26380, 671371, 1342742, 2685484, 3356855, 6713710, 13427420]

約数ペア:

[(1, 13427420), (2, 6713710), (4, 3356855), (5, 2685484), (10, 1342742), (20, 671371), (509, 26380), (1018, 13190), (1319, 10180), (2036, 6595), (2545, 5276), (2638, 5090)]