20899647

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45533}}^1$

素因数の和:45559

約数の個数: 16

約数和(自身を含む): 32784480

約数和(自身を除く): 11884833

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45533, 136599, 409797, 774061, 1229391, 2322183, 6966549, 20899647]

約数ペア:

[(1, 20899647), (3, 6966549), (9, 2322183), (17, 1229391), (27, 774061), (51, 409797), (153, 136599), (459, 45533)]