20948837

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10009}}^1$

素因数の和:10052

約数の個数: 16

約数和(自身を含む): 26906880

約数和(自身を除く): 5958043

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 10009, 70063, 130117, 230207, 910819, 1611449, 2992691, 20948837]

約数ペア:

[(1, 20948837), (7, 2992691), (13, 1611449), (23, 910819), (91, 230207), (161, 130117), (299, 70063), (2093, 10009)]