20593215

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1087}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 35812608

約数和(自身を除く): 15219393

約数列:

[1, 3, 5, 9, 15, 45, 421, 1087, 1263, 2105, 3261, 3789, 5435, 6315, 9783, 16305, 18945, 48915, 457627, 1372881, 2288135, 4118643, 6864405, 20593215]

約数ペア:

[(1, 20593215), (3, 6864405), (5, 4118643), (9, 2288135), (15, 1372881), (45, 457627), (421, 48915), (1087, 18945), (1263, 16305), (2105, 9783), (3261, 6315), (3789, 5435)]