20101994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19441}}^1$

素因数の和:19501

約数の個数: 16

約数和(自身を含む): 33595776

約数和(自身を除く): 13493782

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19441, 38882, 213851, 427702, 913727, 1827454, 10050997, 20101994]

約数ペア:

[(1, 20101994), (2, 10050997), (11, 1827454), (22, 913727), (47, 427702), (94, 213851), (517, 38882), (1034, 19441)]