20796645807

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{349}}^1\times {\mathrm{617}}^1$

素因数の和:1062

約数の個数: 96

約数和(自身を含む): 36494136000

約数和(自身を除く): 15697490193

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 349, 441, 511, 617, 657, 1047, 1323, 1533, 1851, 1971, 2443, 3141, 3577, 4319, 4599, 5553, 7329, 9423, 10731, 12957, 13797, 16659, 17101, 21987, 25477, 30233, 32193, 38871, 45041, 51303, 65961, 76431, 90699, 96579, 116613, 135123, 153909, 178339, 215333, 229293, 272097, 315287, 405369, 461727, 535017, 645999, 687879, 816291, 945861, 1216107, 1248373, 1507331, 1605051, 1937997, 2207009, 2837583, 3745119, 4521993, 4815153, 5813991, 6621027, 8512749, 10551317, 11235357, 13565979, 15719309, 19863081, 31653951, 33706071, 40697937, 47157927, 59589243, 94961853, 110035163, 141473781, 284885559, 330105489, 424421343, 770246141, 990316467, 2310738423, 2970949401, 6932215269, 20796645807]

約数ペア:

[(1, 20796645807), (3, 6932215269), (7, 2970949401), (9, 2310738423), (21, 990316467), (27, 770246141), (49, 424421343), (63, 330105489), (73, 284885559), (147, 141473781), (189, 110035163), (219, 94961853), (349, 59589243), (441, 47157927), (511, 40697937), (617, 33706071), (657, 31653951), (1047, 19863081), (1323, 15719309), (1533, 13565979), (1851, 11235357), (1971, 10551317), (2443, 8512749), (3141, 6621027), (3577, 5813991), (4319, 4815153), (4599, 4521993), (5553, 3745119), (7329, 2837583), (9423, 2207009), (10731, 1937997), (12957, 1605051), (13797, 1507331), (16659, 1248373), (17101, 1216107), (21987, 945861), (25477, 816291), (30233, 687879), (32193, 645999), (38871, 535017), (45041, 461727), (51303, 405369), (65961, 315287), (76431, 272097), (90699, 229293), (96579, 215333), (116613, 178339), (135123, 153909)]