20774205

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4159}}^1$

素因数の和:4210

約数の個数: 32

約数和(自身を含む): 37939200

約数和(自身を除く): 17164995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4159, 4995, 12477, 20795, 37431, 62385, 112293, 153883, 187155, 461649, 561465, 769415, 1384947, 2308245, 4154841, 6924735, 20774205]

約数ペア:

[(1, 20774205), (3, 6924735), (5, 4154841), (9, 2308245), (15, 1384947), (27, 769415), (37, 561465), (45, 461649), (111, 187155), (135, 153883), (185, 112293), (333, 62385), (555, 37431), (999, 20795), (1665, 12477), (4159, 4995)]