20489346

素因数分解:

$2^1\times 3^2\times {\mathrm{863}}^1\times {\mathrm{1319}}^1$

素因数の和:2190

約数の個数: 24

約数和(自身を含む): 44478720

約数和(自身を除く): 23989374

約数列:

[1, 2, 3, 6, 9, 18, 863, 1319, 1726, 2589, 2638, 3957, 5178, 7767, 7914, 11871, 15534, 23742, 1138297, 2276594, 3414891, 6829782, 10244673, 20489346]

約数ペア:

[(1, 20489346), (2, 10244673), (3, 6829782), (6, 3414891), (9, 2276594), (18, 1138297), (863, 23742), (1319, 15534), (1726, 11871), (2589, 7914), (2638, 7767), (3957, 5178)]