20110618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10271}}^1$

素因数の和:10373

約数の個数: 16

約数和(自身を含む): 33281280

約数和(自身を除く): 13170662

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10271, 20542, 112981, 225962, 914119, 1828238, 10055309, 20110618]

約数ペア:

[(1, 20110618), (2, 10055309), (11, 1828238), (22, 914119), (89, 225962), (178, 112981), (979, 20542), (1958, 10271)]