20665164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132469}}^1$

素因数の和:132489

約数の個数: 24

約数和(自身を含む): 51928240

約数和(自身を除く): 31263076

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132469, 264938, 397407, 529876, 794814, 1589628, 1722097, 3444194, 5166291, 6888388, 10332582, 20665164]

約数ペア:

[(1, 20665164), (2, 10332582), (3, 6888388), (4, 5166291), (6, 3444194), (12, 1722097), (13, 1589628), (26, 794814), (39, 529876), (52, 397407), (78, 264938), (156, 132469)]