20802915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66041}}^1$

素因数の和:66059

約数の個数: 24

約数和(自身を含む): 41210208

約数和(自身を除く): 20407293

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66041, 198123, 330205, 462287, 594369, 990615, 1386861, 2311435, 2971845, 4160583, 6934305, 20802915]

約数ペア:

[(1, 20802915), (3, 6934305), (5, 4160583), (7, 2971845), (9, 2311435), (15, 1386861), (21, 990615), (35, 594369), (45, 462287), (63, 330205), (105, 198123), (315, 66041)]