20676997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 24579072

約数和(自身を除く): 3902075

約数列:

[1, 11, 19, 41, 127, 209, 361, 451, 779, 1397, 2413, 3971, 5207, 8569, 14801, 26543, 45847, 57277, 98933, 162811, 504317, 1088263, 1879727, 20676997]

約数ペア:

[(1, 20676997), (11, 1879727), (19, 1088263), (41, 504317), (127, 162811), (209, 98933), (361, 57277), (451, 45847), (779, 26543), (1397, 14801), (2413, 8569), (3971, 5207)]