20860254

素因数分解:

$2^1\times 3^4\times {\mathrm{128767}}^1$

素因数の和:128781

約数の個数: 20

約数和(自身を含む): 46742784

約数和(自身を除く): 25882530

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 128767, 257534, 386301, 772602, 1158903, 2317806, 3476709, 6953418, 10430127, 20860254]

約数ペア:

[(1, 20860254), (2, 10430127), (3, 6953418), (6, 3476709), (9, 2317806), (18, 1158903), (27, 772602), (54, 386301), (81, 257534), (162, 128767)]