20941396

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2143}}^1$

素因数の和:2503

約数の個数: 24

約数和(自身を含む): 42022400

約数和(自身を除く): 21081004

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2143, 2443, 4286, 4886, 8572, 9772, 15001, 30002, 60004, 747907, 1495814, 2991628, 5235349, 10470698, 20941396]

約数ペア:

[(1, 20941396), (2, 10470698), (4, 5235349), (7, 2991628), (14, 1495814), (28, 747907), (349, 60004), (698, 30002), (1396, 15001), (2143, 9772), (2443, 8572), (4286, 4886)]