20586209371

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1\times {\mathrm{2903}}^1$

素因数の和:3595

約数の個数: 32

約数和(自身を含む): 25564492800

約数和(自身を除く): 4978283429

約数列:

[1, 7, 13, 91, 149, 523, 1043, 1937, 2903, 3661, 6799, 13559, 20321, 37739, 47593, 77927, 264173, 432547, 545489, 1013051, 1518269, 3027829, 5623111, 7091357, 10627883, 19737497, 39361777, 138162479, 226222081, 1583554567, 2940887053, 20586209371]

約数ペア:

[(1, 20586209371), (7, 2940887053), (13, 1583554567), (91, 226222081), (149, 138162479), (523, 39361777), (1043, 19737497), (1937, 10627883), (2903, 7091357), (3661, 5623111), (6799, 3027829), (13559, 1518269), (20321, 1013051), (37739, 545489), (47593, 432547), (77927, 264173)]