20666035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{911}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 6146765

約数列:

[1, 5, 13, 65, 349, 911, 1745, 4537, 4555, 11843, 22685, 59215, 317939, 1589695, 4133207, 20666035]

約数ペア:

[(1, 20666035), (5, 4133207), (13, 1589695), (65, 317939), (349, 59215), (911, 22685), (1745, 11843), (4537, 4555)]