20170876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1021}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 38631600

約数和(自身を除く): 18460724

約数列:

[1, 2, 4, 11, 22, 44, 449, 898, 1021, 1796, 2042, 4084, 4939, 9878, 11231, 19756, 22462, 44924, 458429, 916858, 1833716, 5042719, 10085438, 20170876]

約数ペア:

[(1, 20170876), (2, 10085438), (4, 5042719), (11, 1833716), (22, 916858), (44, 458429), (449, 44924), (898, 22462), (1021, 19756), (1796, 11231), (2042, 9878), (4084, 4939)]