20875875

素因数分解:

$3^1\times 5^3\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 14167965

約数列:

[1, 3, 5, 15, 25, 75, 125, 179, 311, 375, 537, 895, 933, 1555, 2685, 4475, 4665, 7775, 13425, 22375, 23325, 38875, 55669, 67125, 116625, 167007, 278345, 835035, 1391725, 4175175, 6958625, 20875875]

約数ペア:

[(1, 20875875), (3, 6958625), (5, 4175175), (15, 1391725), (25, 835035), (75, 278345), (125, 167007), (179, 116625), (311, 67125), (375, 55669), (537, 38875), (895, 23325), (933, 22375), (1555, 13425), (2685, 7775), (4475, 4665)]