20671525

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6217}}^1$

素因数の和:6253

約数の個数: 24

約数和(自身を含む): 30841280

約数和(自身を除く): 10169755

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 6217, 31085, 43519, 118123, 155425, 217595, 590615, 826861, 1087975, 2953075, 4134305, 20671525]

約数ペア:

[(1, 20671525), (5, 4134305), (7, 2953075), (19, 1087975), (25, 826861), (35, 590615), (95, 217595), (133, 155425), (175, 118123), (475, 43519), (665, 31085), (3325, 6217)]