20540660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146719}}^1$

素因数の和:146735

約数の個数: 24

約数和(自身を含む): 49297920

約数和(自身を除く): 28757260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146719, 293438, 586876, 733595, 1027033, 1467190, 2054066, 2934380, 4108132, 5135165, 10270330, 20540660]

約数ペア:

[(1, 20540660), (2, 10270330), (4, 5135165), (5, 4108132), (7, 2934380), (10, 2054066), (14, 1467190), (20, 1027033), (28, 733595), (35, 586876), (70, 293438), (140, 146719)]