20178734

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:875

約数の個数: 16

約数和(自身を含む): 30798240

約数和(自身を除く): 10619506

約数列:

[1, 2, 109, 151, 218, 302, 613, 1226, 16459, 32918, 66817, 92563, 133634, 185126, 10089367, 20178734]

約数ペア:

[(1, 20178734), (2, 10089367), (109, 185126), (151, 133634), (218, 92563), (302, 66817), (613, 32918), (1226, 16459)]