20668635

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11777}}^1$

素因数の和:11804

約数の個数: 32

約数和(自身を含む): 39574080

約数和(自身を除く): 18905445

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11777, 35331, 58885, 105993, 153101, 176655, 317979, 459303, 529965, 765505, 1377909, 1589895, 2296515, 4133727, 6889545, 20668635]

約数ペア:

[(1, 20668635), (3, 6889545), (5, 4133727), (9, 2296515), (13, 1589895), (15, 1377909), (27, 765505), (39, 529965), (45, 459303), (65, 317979), (117, 176655), (135, 153101), (195, 105993), (351, 58885), (585, 35331), (1755, 11777)]