20841315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126311}}^1$

素因数の和:126330

約数の個数: 16

約数和(自身を含む): 36377856

約数和(自身を除く): 15536541

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126311, 378933, 631555, 1389421, 1894665, 4168263, 6947105, 20841315]

約数ペア:

[(1, 20841315), (3, 6947105), (5, 4168263), (11, 1894665), (15, 1389421), (33, 631555), (55, 378933), (165, 126311)]