20806444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11903}}^1$

素因数の和:11949

約数の個数: 24

約数和(自身を含む): 39997440

約数和(自身を除く): 19190996

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11903, 23806, 47612, 226157, 273769, 452314, 547538, 904628, 1095076, 5201611, 10403222, 20806444]

約数ペア:

[(1, 20806444), (2, 10403222), (4, 5201611), (19, 1095076), (23, 904628), (38, 547538), (46, 452314), (76, 273769), (92, 226157), (437, 47612), (874, 23806), (1748, 11903)]