20418486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{309371}}^1$

素因数の和:309387

約数の個数: 16

約数和(自身を含む): 44549568

約数和(自身を除く): 24131082

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 309371, 618742, 928113, 1856226, 3403081, 6806162, 10209243, 20418486]

約数ペア:

[(1, 20418486), (2, 10209243), (3, 6806162), (6, 3403081), (11, 1856226), (22, 928113), (33, 618742), (66, 309371)]