20942454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{268493}}^1$

素因数の和:268511

約数の個数: 16

約数和(自身を含む): 45106992

約数和(自身を除く): 24164538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 268493, 536986, 805479, 1610958, 3490409, 6980818, 10471227, 20942454]

約数ペア:

[(1, 20942454), (2, 10471227), (3, 6980818), (6, 3490409), (13, 1610958), (26, 805479), (39, 536986), (78, 268493)]