20007609

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 27165888

約数和(自身を除く): 7158279

約数列:

[1, 3, 107, 157, 321, 397, 471, 1191, 16799, 42479, 50397, 62329, 127437, 186987, 6669203, 20007609]

約数ペア:

[(1, 20007609), (3, 6669203), (107, 186987), (157, 127437), (321, 62329), (397, 50397), (471, 42479), (1191, 16799)]