20277411

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2141}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 14268765

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2141, 3157, 6423, 9471, 14987, 23551, 44961, 70653, 87781, 164857, 263343, 494571, 614467, 965591, 1843401, 2896773, 6759137, 20277411]

約数ペア:

[(1, 20277411), (3, 6759137), (7, 2896773), (11, 1843401), (21, 965591), (33, 614467), (41, 494571), (77, 263343), (123, 164857), (231, 87781), (287, 70653), (451, 44961), (861, 23551), (1353, 14987), (2141, 9471), (3157, 6423)]