20705445

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3623}}^1$

素因数の和:3761

約数の個数: 24

約数和(自身を含む): 36182016

約数和(自身を除く): 15476571

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3623, 5715, 10869, 18115, 32607, 54345, 163035, 460121, 1380363, 2300605, 4141089, 6901815, 20705445]

約数ペア:

[(1, 20705445), (3, 6901815), (5, 4141089), (9, 2300605), (15, 1380363), (45, 460121), (127, 163035), (381, 54345), (635, 32607), (1143, 18115), (1905, 10869), (3623, 5715)]