20199627

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3863}}^1$

素因数の和:3959

約数の個数: 24

約数和(自身を含む): 33755904

約数和(自身を除く): 13556277

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3863, 5229, 11589, 27041, 34767, 81123, 243369, 320629, 961887, 2244403, 2885661, 6733209, 20199627]

約数ペア:

[(1, 20199627), (3, 6733209), (7, 2885661), (9, 2244403), (21, 961887), (63, 320629), (83, 243369), (249, 81123), (581, 34767), (747, 27041), (1743, 11589), (3863, 5229)]