20539044

素因数分解:

$2^2\times 3^2\times {\mathrm{570529}}^1$

素因数の和:570539

約数の個数: 18

約数和(自身を含む): 51918230

約数和(自身を除く): 31379186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570529, 1141058, 1711587, 2282116, 3423174, 5134761, 6846348, 10269522, 20539044]

約数ペア:

[(1, 20539044), (2, 10269522), (3, 6846348), (4, 5134761), (6, 3423174), (9, 2282116), (12, 1711587), (18, 1141058), (36, 570529)]