20626627

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 5984573

約数列:

[1, 7, 17, 29, 43, 119, 139, 203, 301, 493, 731, 973, 1247, 2363, 3451, 4031, 5117, 5977, 8729, 16541, 21199, 28217, 41839, 68527, 101609, 148393, 173333, 479689, 711263, 1213331, 2946661, 20626627]

約数ペア:

[(1, 20626627), (7, 2946661), (17, 1213331), (29, 711263), (43, 479689), (119, 173333), (139, 148393), (203, 101609), (301, 68527), (493, 41839), (731, 28217), (973, 21199), (1247, 16541), (2363, 8729), (3451, 5977), (4031, 5117)]