20710971

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{11117}}^1$

素因数の和:11152

約数の個数: 20

約数和(自身を含む): 32286672

約数和(自身を除く): 11575701

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 11117, 33351, 100053, 255691, 300159, 767073, 900477, 2301219, 6903657, 20710971]

約数ペア:

[(1, 20710971), (3, 6903657), (9, 2301219), (23, 900477), (27, 767073), (69, 300159), (81, 255691), (207, 100053), (621, 33351), (1863, 11117)]