20806672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68443}}^1$

素因数の和:68470

約数の個数: 20

約数和(自身を含む): 42435280

約数和(自身を除く): 21628608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68443, 136886, 273772, 547544, 1095088, 1300417, 2600834, 5201668, 10403336, 20806672]

約数ペア:

[(1, 20806672), (2, 10403336), (4, 5201668), (8, 2600834), (16, 1300417), (19, 1095088), (38, 547544), (76, 273772), (152, 136886), (304, 68443)]