20437245

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3221}}^1$

素因数の和:3282

約数の個数: 32

約数和(自身を含む): 37117440

約数和(自身を除く): 16680195

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3221, 6345, 9663, 16105, 28989, 48315, 86967, 144945, 151387, 434835, 454161, 756935, 1362483, 2270805, 4087449, 6812415, 20437245]

約数ペア:

[(1, 20437245), (3, 6812415), (5, 4087449), (9, 2270805), (15, 1362483), (27, 756935), (45, 454161), (47, 434835), (135, 151387), (141, 144945), (235, 86967), (423, 48315), (705, 28989), (1269, 16105), (2115, 9663), (3221, 6345)]