20638046

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72161}}^1$

素因数の和:72187

約数の個数: 16

約数和(自身を含む): 36369648

約数和(自身を除く): 15731602

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72161, 144322, 793771, 938093, 1587542, 1876186, 10319023, 20638046]

約数ペア:

[(1, 20638046), (2, 10319023), (11, 1876186), (13, 1587542), (22, 938093), (26, 793771), (143, 144322), (286, 72161)]