20138503

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6379}}^1$

素因数の和:6438

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 5585657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6379, 44653, 70169, 261539, 491183, 1830773, 2876929, 20138503]

約数ペア:

[(1, 20138503), (7, 2876929), (11, 1830773), (41, 491183), (77, 261539), (287, 70169), (451, 44653), (3157, 6379)]