20129373

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1601}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 31988736

約数和(自身を除く): 11859363

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 1143, 1397, 1601, 4191, 4803, 12573, 14409, 17611, 52833, 158499, 203327, 609981, 1829943, 2236597, 6709791, 20129373]

約数ペア:

[(1, 20129373), (3, 6709791), (9, 2236597), (11, 1829943), (33, 609981), (99, 203327), (127, 158499), (381, 52833), (1143, 17611), (1397, 14409), (1601, 12573), (4191, 4803)]