20857573

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4339}}^1$

素因数の和:4392

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 4140827

約数列:

[1, 11, 19, 23, 209, 253, 437, 4339, 4807, 47729, 82441, 99797, 906851, 1097767, 1896143, 20857573]

約数ペア:

[(1, 20857573), (11, 1896143), (19, 1097767), (23, 906851), (209, 99797), (253, 82441), (437, 47729), (4339, 4807)]