20811362

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72767}}^1$

素因数の和:72793

約数の個数: 16

約数和(自身を含む): 36675072

約数和(自身を除く): 15863710

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72767, 145534, 800437, 945971, 1600874, 1891942, 10405681, 20811362]

約数ペア:

[(1, 20811362), (2, 10405681), (11, 1891942), (13, 1600874), (22, 945971), (26, 800437), (143, 145534), (286, 72767)]