20807032925

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{287887}}^1$

素因数の和:287970

約数の個数: 36

約数和(自身を含む): 30521885760

約数和(自身を除く): 9714852835

約数列:

[1, 5, 7, 25, 35, 49, 59, 175, 245, 295, 413, 1225, 1475, 2065, 2891, 10325, 14455, 72275, 287887, 1439435, 2015209, 7197175, 10076045, 14106463, 16985333, 50380225, 70532315, 84926665, 118897331, 352661575, 424633325, 594486655, 832281317, 2972433275, 4161406585, 20807032925]

約数ペア:

[(1, 20807032925), (5, 4161406585), (7, 2972433275), (25, 832281317), (35, 594486655), (49, 424633325), (59, 352661575), (175, 118897331), (245, 84926665), (295, 70532315), (413, 50380225), (1225, 16985333), (1475, 14106463), (2065, 10076045), (2891, 7197175), (10325, 2015209), (14455, 1439435), (72275, 287887)]