20740804515

素因数分解:

$3^6\times 5^1\times {\mathrm{5690207}}^1$

素因数の和:5690230

約数の個数: 28

約数和(自身を含む): 37316384064

約数和(自身を除く): 16575579549

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5690207, 17070621, 28451035, 51211863, 85353105, 153635589, 256059315, 460906767, 768177945, 1382720301, 2304533835, 4148160903, 6913601505, 20740804515]

約数ペア:

[(1, 20740804515), (3, 6913601505), (5, 4148160903), (9, 2304533835), (15, 1382720301), (27, 768177945), (45, 460906767), (81, 256059315), (135, 153635589), (243, 85353105), (405, 51211863), (729, 28451035), (1215, 17070621), (3645, 5690207)]