20712477

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8641}}^1$

素因数の和:8708

約数の個数: 16

約数和(自身を含む): 29866752

約数和(自身を除く): 9154275

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8641, 25923, 146897, 406127, 440691, 1218381, 6904159, 20712477]

約数ペア:

[(1, 20712477), (3, 6904159), (17, 1218381), (47, 440691), (51, 406127), (141, 146897), (799, 25923), (2397, 8641)]