20574495

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4273}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 36004176

約数和(自身を除く): 15429681

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4273, 4815, 12819, 21365, 38457, 64095, 192285, 457211, 1371633, 2286055, 4114899, 6858165, 20574495]

約数ペア:

[(1, 20574495), (3, 6858165), (5, 4114899), (9, 2286055), (15, 1371633), (45, 457211), (107, 192285), (321, 64095), (535, 38457), (963, 21365), (1605, 12819), (4273, 4815)]