20979829

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2956

約数の個数: 12

約数和(自身を含む): 23254176

約数和(自身を除く): 2274347

約数列:

[1, 13, 43, 169, 559, 2887, 7267, 37531, 124141, 487903, 1613833, 20979829]

約数ペア:

[(1, 20979829), (13, 1613833), (43, 487903), (169, 124141), (559, 37531), (2887, 7267)]