20996870452

素因数分解:

$2^2\times {\mathrm{73351}}^1\times {\mathrm{71563}}^1$

素因数の和:144918

約数の個数: 12

約数和(自身を含む): 36745537696

約数和(自身を除く): 15748667244

約数列:

[1, 2, 4, 71563, 73351, 143126, 146702, 286252, 293404, 5249217613, 10498435226, 20996870452]

約数ペア:

[(1, 20996870452), (2, 10498435226), (4, 5249217613), (71563, 293404), (73351, 286252), (143126, 146702)]