20917157

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2156

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 3159643

約数列:

[1, 17, 19, 31, 323, 527, 589, 2089, 10013, 35513, 39691, 64759, 674747, 1100903, 1230421, 20917157]

約数ペア:

[(1, 20917157), (17, 1230421), (19, 1100903), (31, 674747), (323, 64759), (527, 39691), (589, 35513), (2089, 10013)]