20443241

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 26046720

約数和(自身を除く): 5603479

約数列:

[1, 7, 13, 49, 67, 91, 469, 479, 637, 871, 3283, 3353, 6097, 6227, 23471, 32093, 42679, 43589, 224651, 305123, 417209, 1572557, 2920463, 20443241]

約数ペア:

[(1, 20443241), (7, 2920463), (13, 1572557), (49, 417209), (67, 305123), (91, 224651), (469, 43589), (479, 42679), (637, 32093), (871, 23471), (3283, 6227), (3353, 6097)]