20146972887

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{4729}}^1\times {\mathrm{5441}}^1$

素因数の和:10208

約数の個数: 32

約数和(自身を含む): 30888792000

約数和(自身を除く): 10741819113

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 4729, 5441, 14187, 16323, 42561, 48969, 127683, 137141, 146907, 157789, 411423, 473367, 1234269, 1420101, 3702807, 4260303, 25730489, 77191467, 231574401, 694723203, 746184181, 2238552543, 6715657629, 20146972887]

約数ペア:

[(1, 20146972887), (3, 6715657629), (9, 2238552543), (27, 746184181), (29, 694723203), (87, 231574401), (261, 77191467), (783, 25730489), (4729, 4260303), (5441, 3702807), (14187, 1420101), (16323, 1234269), (42561, 473367), (48969, 411423), (127683, 157789), (137141, 146907)]