20110222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8543}}^1$

素因数の和:8663

約数の個数: 16

約数和(自身を含む): 33219072

約数和(自身を除く): 13108850

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 8543, 17086, 93973, 187946, 914101, 1828202, 10055111, 20110222]

約数ペア:

[(1, 20110222), (2, 10055111), (11, 1828202), (22, 914101), (107, 187946), (214, 93973), (1177, 17086), (2354, 8543)]