19783020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{329717}}^1$

素因数の和:329729

約数の個数: 24

約数和(自身を含む): 55392624

約数和(自身を除く): 35609604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 329717, 659434, 989151, 1318868, 1648585, 1978302, 3297170, 3956604, 4945755, 6594340, 9891510, 19783020]

約数ペア:

[(1, 19783020), (2, 9891510), (3, 6594340), (4, 4945755), (5, 3956604), (6, 3297170), (10, 1978302), (12, 1648585), (15, 1318868), (20, 989151), (30, 659434), (60, 329717)]