20767860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38459}}^1$

素因数の和:38477

約数の個数: 48

約数和(自身を含む): 64612800

約数和(自身を除く): 43844940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38459, 76918, 115377, 153836, 192295, 230754, 346131, 384590, 461508, 576885, 692262, 769180, 1038393, 1153770, 1384524, 1730655, 2076786, 2307540, 3461310, 4153572, 5191965, 6922620, 10383930, 20767860]

約数ペア:

[(1, 20767860), (2, 10383930), (3, 6922620), (4, 5191965), (5, 4153572), (6, 3461310), (9, 2307540), (10, 2076786), (12, 1730655), (15, 1384524), (18, 1153770), (20, 1038393), (27, 769180), (30, 692262), (36, 576885), (45, 461508), (54, 384590), (60, 346131), (90, 230754), (108, 192295), (135, 153836), (180, 115377), (270, 76918), (540, 38459)]