20604285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35221}}^1$

素因数の和:35245

約数の個数: 24

約数和(自身を含む): 38462424

約数和(自身を除く): 17858139

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35221, 105663, 176105, 316989, 457873, 528315, 1373619, 1584945, 2289365, 4120857, 6868095, 20604285]

約数ペア:

[(1, 20604285), (3, 6868095), (5, 4120857), (9, 2289365), (13, 1584945), (15, 1373619), (39, 528315), (45, 457873), (65, 316989), (117, 176105), (195, 105663), (585, 35221)]