20396259

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{58109}}^1$

素因数の和:58131

約数の個数: 16

約数和(自身を含む): 32541600

約数和(自身を除く): 12145341

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 58109, 174327, 522981, 755417, 1568943, 2266251, 6798753, 20396259]

約数ペア:

[(1, 20396259), (3, 6798753), (9, 2266251), (13, 1568943), (27, 755417), (39, 522981), (117, 174327), (351, 58109)]