20043245

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 24695280

約数和(自身を除く): 4652035

約数列:

[1, 5, 73, 89, 365, 445, 617, 3085, 6497, 32485, 45041, 54913, 225205, 274565, 4008649, 20043245]

約数ペア:

[(1, 20043245), (5, 4008649), (73, 274565), (89, 225205), (365, 54913), (445, 45041), (617, 32485), (3085, 6497)]