20885877

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45503}}^1$

素因数の和:45529

約数の個数: 16

約数和(自身を含む): 32762880

約数和(自身を除く): 11877003

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45503, 136509, 409527, 773551, 1228581, 2320653, 6961959, 20885877]

約数ペア:

[(1, 20885877), (3, 6961959), (9, 2320653), (17, 1228581), (27, 773551), (51, 409527), (153, 136509), (459, 45503)]