20103321

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25873}}^1$

素因数の和:25920

約数の個数: 16

約数和(自身を含む): 31462784

約数和(自身を除く): 11359463

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25873, 77619, 181111, 543333, 957301, 2871903, 6701107, 20103321]

約数ペア:

[(1, 20103321), (3, 6701107), (7, 2871903), (21, 957301), (37, 543333), (111, 181111), (259, 77619), (777, 25873)]