20746620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115259}}^1$

素因数の和:115274

約数の個数: 36

約数和(自身を含む): 62931960

約数和(自身を除く): 42185340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115259, 230518, 345777, 461036, 576295, 691554, 1037331, 1152590, 1383108, 1728885, 2074662, 2305180, 3457770, 4149324, 5186655, 6915540, 10373310, 20746620]

約数ペア:

[(1, 20746620), (2, 10373310), (3, 6915540), (4, 5186655), (5, 4149324), (6, 3457770), (9, 2305180), (10, 2074662), (12, 1728885), (15, 1383108), (18, 1152590), (20, 1037331), (30, 691554), (36, 576295), (45, 461036), (60, 345777), (90, 230518), (180, 115259)]