20889927

素因数分解:

$3^3\times {\mathrm{457}}^1\times {\mathrm{1693}}^1$

素因数の和:2159

約数の個数: 16

約数和(自身を含む): 31034080

約数和(自身を除く): 10144153

約数列:

[1, 3, 9, 27, 457, 1371, 1693, 4113, 5079, 12339, 15237, 45711, 773701, 2321103, 6963309, 20889927]

約数ペア:

[(1, 20889927), (3, 6963309), (9, 2321103), (27, 773701), (457, 45711), (1371, 15237), (1693, 12339), (4113, 5079)]