19726620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328777}}^1$

素因数の和:328789

約数の個数: 24

約数和(自身を含む): 55234704

約数和(自身を除く): 35508084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328777, 657554, 986331, 1315108, 1643885, 1972662, 3287770, 3945324, 4931655, 6575540, 9863310, 19726620]

約数ペア:

[(1, 19726620), (2, 9863310), (3, 6575540), (4, 4931655), (5, 3945324), (6, 3287770), (10, 1972662), (12, 1643885), (15, 1315108), (20, 986331), (30, 657554), (60, 328777)]