20512281615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{16889}}^1$

素因数の和:17216

約数の個数: 64

約数和(自身を含む): 38525414400

約数和(自身を除く): 18013132785

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 269, 301, 645, 807, 903, 1345, 1505, 1883, 4035, 4515, 5649, 9415, 11567, 16889, 28245, 34701, 50667, 57835, 80969, 84445, 118223, 173505, 242907, 253335, 354669, 404845, 591115, 726227, 1214535, 1773345, 2178681, 3631135, 4543141, 5083589, 10893405, 13629423, 15250767, 22715705, 25417945, 31801987, 68147115, 76253835, 95405961, 159009935, 195355063, 477029805, 586065189, 976775315, 1367485441, 2930325945, 4102456323, 6837427205, 20512281615]

約数ペア:

[(1, 20512281615), (3, 6837427205), (5, 4102456323), (7, 2930325945), (15, 1367485441), (21, 976775315), (35, 586065189), (43, 477029805), (105, 195355063), (129, 159009935), (215, 95405961), (269, 76253835), (301, 68147115), (645, 31801987), (807, 25417945), (903, 22715705), (1345, 15250767), (1505, 13629423), (1883, 10893405), (4035, 5083589), (4515, 4543141), (5649, 3631135), (9415, 2178681), (11567, 1773345), (16889, 1214535), (28245, 726227), (34701, 591115), (50667, 404845), (57835, 354669), (80969, 253335), (84445, 242907), (118223, 173505)]