20887686

素因数分解:

$2^1\times 3^3\times {\mathrm{386809}}^1$

素因数の和:386820

約数の個数: 16

約数和(自身を含む): 46417200

約数和(自身を除く): 25529514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 386809, 773618, 1160427, 2320854, 3481281, 6962562, 10443843, 20887686]

約数ペア:

[(1, 20887686), (2, 10443843), (3, 6962562), (6, 3481281), (9, 2320854), (18, 1160427), (27, 773618), (54, 386809)]