20218594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{2011}}^1$

素因数の和:2481

約数の個数: 16

約数和(自身を含む): 33173856

約数和(自身を除く): 12955262

約数列:

[1, 2, 11, 22, 457, 914, 2011, 4022, 5027, 10054, 22121, 44242, 919027, 1838054, 10109297, 20218594]

約数ペア:

[(1, 20218594), (2, 10109297), (11, 1838054), (22, 919027), (457, 44242), (914, 22121), (2011, 10054), (4022, 5027)]