20005125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{7621}}^1$

素因数の和:7646

約数の個数: 32

約数和(自身を含む): 38049024

約数和(自身を除く): 18043899

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 7621, 22863, 38105, 53347, 114315, 160041, 190525, 266735, 571575, 800205, 952625, 1333675, 2857875, 4001025, 6668375, 20005125]

約数ペア:

[(1, 20005125), (3, 6668375), (5, 4001025), (7, 2857875), (15, 1333675), (21, 952625), (25, 800205), (35, 571575), (75, 266735), (105, 190525), (125, 160041), (175, 114315), (375, 53347), (525, 38105), (875, 22863), (2625, 7621)]