20496490749

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1\times {\mathrm{3823}}^1$

素因数の和:5351

約数の個数: 64

約数和(自身を含む): 36563558400

約数和(自身を除く): 16067067651

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 1493, 3591, 3823, 4479, 10451, 11469, 13437, 26761, 28367, 31353, 34407, 40311, 72637, 80283, 85101, 94059, 103221, 198569, 217911, 240849, 255303, 282177, 508459, 595707, 653733, 722547, 765909, 1525377, 1787121, 1961199, 4576131, 5361363, 5707739, 13728393, 17123217, 39954173, 51369651, 108447041, 119862519, 154108953, 325341123, 359587557, 759129287, 976023369, 1078762671, 2277387861, 2928070107, 6832163583, 20496490749]

約数ペア:

[(1, 20496490749), (3, 6832163583), (7, 2928070107), (9, 2277387861), (19, 1078762671), (21, 976023369), (27, 759129287), (57, 359587557), (63, 325341123), (133, 154108953), (171, 119862519), (189, 108447041), (399, 51369651), (513, 39954173), (1197, 17123217), (1493, 13728393), (3591, 5707739), (3823, 5361363), (4479, 4576131), (10451, 1961199), (11469, 1787121), (13437, 1525377), (26761, 765909), (28367, 722547), (31353, 653733), (34407, 595707), (40311, 508459), (72637, 282177), (80283, 255303), (85101, 240849), (94059, 217911), (103221, 198569)]