20201521599

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1117279}}^1$

素因数の和:1117340

約数の個数: 36

約数和(自身を含む): 34771988160

約数和(自身を除く): 14570466561

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 18081, 1117279, 3351837, 7820953, 10055511, 23462859, 45808439, 54746671, 70388577, 137425317, 164240013, 320659073, 412275951, 492720039, 961977219, 2244613511, 2885931657, 6733840533, 20201521599]

約数ペア:

[(1, 20201521599), (3, 6733840533), (7, 2885931657), (9, 2244613511), (21, 961977219), (41, 492720039), (49, 412275951), (63, 320659073), (123, 164240013), (147, 137425317), (287, 70388577), (369, 54746671), (441, 45808439), (861, 23462859), (2009, 10055511), (2583, 7820953), (6027, 3351837), (18081, 1117279)]