20295359

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 18

約数和(自身を含む): 24451632

約数和(自身を除く): 4156273

約数列:

[1, 7, 31, 49, 217, 431, 961, 1519, 3017, 6727, 13361, 21119, 47089, 93527, 414191, 654689, 2899337, 20295359]

約数ペア:

[(1, 20295359), (7, 2899337), (31, 654689), (49, 414191), (217, 93527), (431, 47089), (961, 21119), (1519, 13361), (3017, 6727)]