20825545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7451}}^1$

素因数の和:7512

約数の個数: 16

約数和(自身を含む): 27542592

約数和(自身を除く): 6717047

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 7451, 37255, 96863, 320393, 484315, 1601965, 4165109, 20825545]

約数ペア:

[(1, 20825545), (5, 4165109), (13, 1601965), (43, 484315), (65, 320393), (215, 96863), (559, 37255), (2795, 7451)]