20891214

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{10271}}^1$

素因数の和:10392

約数の個数: 24

約数和(自身を含む): 45669312

約数和(自身を除く): 24778098

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 339, 678, 1017, 2034, 10271, 20542, 30813, 61626, 92439, 184878, 1160623, 2321246, 3481869, 6963738, 10445607, 20891214]

約数ペア:

[(1, 20891214), (2, 10445607), (3, 6963738), (6, 3481869), (9, 2321246), (18, 1160623), (113, 184878), (226, 92439), (339, 61626), (678, 30813), (1017, 20542), (2034, 10271)]