27720368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{133271}}^1$

素因数の和:133292

約数の個数: 20

約数和(自身を含む): 57840048

約数和(自身を除く): 30119680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 133271, 266542, 533084, 1066168, 1732523, 2132336, 3465046, 6930092, 13860184, 27720368]

約数ペア:

[(1, 27720368), (2, 13860184), (4, 6930092), (8, 3465046), (13, 2132336), (16, 1732523), (26, 1066168), (52, 533084), (104, 266542), (208, 133271)]