20123571505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1051663}}^1$

素因数の和:1051800

約数の個数: 16

約数和(自身を含む): 24987536640

約数和(自身を除く): 4863965135

約数列:

[1, 5, 43, 89, 215, 445, 3827, 19135, 1051663, 5258315, 45221509, 93598007, 226107545, 467990035, 4024714301, 20123571505]

約数ペア:

[(1, 20123571505), (5, 4024714301), (43, 467990035), (89, 226107545), (215, 93598007), (445, 45221509), (3827, 5258315), (19135, 1051663)]