20087523

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7723}}^1$

素因数の和:7763

約数の個数: 18

約数和(自身を含む): 30826484

約数和(自身を除く): 10738961

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7723, 23169, 69507, 131291, 393873, 1181619, 2231947, 6695841, 20087523]

約数ペア:

[(1, 20087523), (3, 6695841), (9, 2231947), (17, 1181619), (51, 393873), (153, 131291), (289, 69507), (867, 23169), (2601, 7723)]