20802326985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{737279}}^1$

素因数の和:737323

約数の個数: 64

約数和(自身を含む): 42467328000

約数和(自身を除く): 21665001015

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 855, 1045, 1485, 1881, 2565, 3135, 5643, 9405, 28215, 737279, 2211837, 3686395, 6635511, 8110069, 11059185, 14008301, 19906533, 24330207, 33177555, 40550345, 42024903, 70041505, 72990621, 99532665, 121651035, 126074709, 154091311, 210124515, 218971863, 364953105, 378224127, 462273933, 630373545, 770456555, 1094859315, 1386821799, 1891120635, 2311369665, 4160465397, 6934108995, 20802326985]

約数ペア:

[(1, 20802326985), (3, 6934108995), (5, 4160465397), (9, 2311369665), (11, 1891120635), (15, 1386821799), (19, 1094859315), (27, 770456555), (33, 630373545), (45, 462273933), (55, 378224127), (57, 364953105), (95, 218971863), (99, 210124515), (135, 154091311), (165, 126074709), (171, 121651035), (209, 99532665), (285, 72990621), (297, 70041505), (495, 42024903), (513, 40550345), (627, 33177555), (855, 24330207), (1045, 19906533), (1485, 14008301), (1881, 11059185), (2565, 8110069), (3135, 6635511), (5643, 3686395), (9405, 2211837), (28215, 737279)]