20806544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118219}}^1$

素因数の和:118238

約数の個数: 20

約数和(自身を含む): 43977840

約数和(自身を除く): 23171296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118219, 236438, 472876, 945752, 1300409, 1891504, 2600818, 5201636, 10403272, 20806544]

約数ペア:

[(1, 20806544), (2, 10403272), (4, 5201636), (8, 2600818), (11, 1891504), (16, 1300409), (22, 945752), (44, 472876), (88, 236438), (176, 118219)]