20864620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149033}}^1$

素因数の和:149049

約数の個数: 24

約数和(自身を含む): 50075424

約数和(自身を除く): 29210804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149033, 298066, 596132, 745165, 1043231, 1490330, 2086462, 2980660, 4172924, 5216155, 10432310, 20864620]

約数ペア:

[(1, 20864620), (2, 10432310), (4, 5216155), (5, 4172924), (7, 2980660), (10, 2086462), (14, 1490330), (20, 1043231), (28, 745165), (35, 596132), (70, 298066), (140, 149033)]