20178003

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 27468800

約数和(自身を除く): 7290797

約数列:

[1, 3, 73, 199, 219, 463, 597, 1389, 14527, 33799, 43581, 92137, 101397, 276411, 6726001, 20178003]

約数ペア:

[(1, 20178003), (3, 6726001), (73, 276411), (199, 101397), (219, 92137), (463, 43581), (597, 33799), (1389, 14527)]