20805201

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10853}}^1$

素因数の和:10933

約数の個数: 16

約数和(自身を含む): 31259520

約数和(自身を除く): 10454319

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10853, 32559, 97677, 293031, 770563, 2311689, 6935067, 20805201]

約数ペア:

[(1, 20805201), (3, 6935067), (9, 2311689), (27, 770563), (71, 293031), (213, 97677), (639, 32559), (1917, 10853)]