20165754938

素因数分解:

$2^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1427563}}^1$

素因数の和:1428581

約数の個数: 16

約数和(自身を含む): 34604151360

約数和(自身を除く): 14438396422

約数列:

[1, 2, 7, 14, 1009, 2018, 7063, 14126, 1427563, 2855126, 9992941, 19985882, 1440411067, 2880822134, 10082877469, 20165754938]

約数ペア:

[(1, 20165754938), (2, 10082877469), (7, 2880822134), (14, 1440411067), (1009, 19985882), (2018, 9992941), (7063, 2855126), (14126, 1427563)]