20285293

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3547}}^1$

素因数の和:3616

約数の個数: 16

約数和(自身を含む): 24977920

約数和(自身を除く): 4692627

約数列:

[1, 7, 19, 43, 133, 301, 817, 3547, 5719, 24829, 67393, 152521, 471751, 1067647, 2897899, 20285293]

約数ペア:

[(1, 20285293), (7, 2897899), (19, 1067647), (43, 471751), (133, 152521), (301, 67393), (817, 24829), (3547, 5719)]