20153345

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2657}}^1$

素因数の和:2740

約数の個数: 16

約数和(自身を含む): 25453008

約数和(自身を除く): 5299663

約数列:

[1, 5, 37, 41, 185, 205, 1517, 2657, 7585, 13285, 98309, 108937, 491545, 544685, 4030669, 20153345]

約数ペア:

[(1, 20153345), (5, 4030669), (37, 544685), (41, 491545), (185, 108937), (205, 98309), (1517, 13285), (2657, 7585)]