20664554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6829}}^1$

素因数の和:6937

約数の個数: 16

約数和(自身を含む): 33193800

約数和(自身を除く): 12529246

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6829, 13658, 116093, 232186, 607781, 1215562, 10332277, 20664554]

約数ペア:

[(1, 20664554), (2, 10332277), (17, 1215562), (34, 607781), (89, 232186), (178, 116093), (1513, 13658), (3026, 6829)]