20893086

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10457}}^1$

素因数の和:10505

約数の個数: 32

約数和(自身を含む): 47688480

約数和(自身を除く): 26795394

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10457, 20914, 31371, 62742, 94113, 188226, 282339, 386909, 564678, 773818, 1160727, 2321454, 3482181, 6964362, 10446543, 20893086]

約数ペア:

[(1, 20893086), (2, 10446543), (3, 6964362), (6, 3482181), (9, 2321454), (18, 1160727), (27, 773818), (37, 564678), (54, 386909), (74, 282339), (111, 188226), (222, 94113), (333, 62742), (666, 31371), (999, 20914), (1998, 10457)]