20793780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5501}}^1$

素因数の和:5526

約数の個数: 96

約数和(自身を含む): 73946880

約数和(自身を除く): 53153100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5501, 11002, 16503, 22004, 27505, 33006, 38507, 49509, 55010, 66012, 77014, 82515, 99018, 110020, 115521, 148527, 154028, 165030, 192535, 198036, 231042, 247545, 297054, 330060, 346563, 385070, 462084, 495090, 577605, 594108, 693126, 742635, 770140, 990180, 1039689, 1155210, 1386252, 1485270, 1732815, 2079378, 2310420, 2970540, 3465630, 4158756, 5198445, 6931260, 10396890, 20793780]

約数ペア:

[(1, 20793780), (2, 10396890), (3, 6931260), (4, 5198445), (5, 4158756), (6, 3465630), (7, 2970540), (9, 2310420), (10, 2079378), (12, 1732815), (14, 1485270), (15, 1386252), (18, 1155210), (20, 1039689), (21, 990180), (27, 770140), (28, 742635), (30, 693126), (35, 594108), (36, 577605), (42, 495090), (45, 462084), (54, 385070), (60, 346563), (63, 330060), (70, 297054), (84, 247545), (90, 231042), (105, 198036), (108, 192535), (126, 165030), (135, 154028), (140, 148527), (180, 115521), (189, 110020), (210, 99018), (252, 82515), (270, 77014), (315, 66012), (378, 55010), (420, 49509), (540, 38507), (630, 33006), (756, 27505), (945, 22004), (1260, 16503), (1890, 11002), (3780, 5501)]