20173817853

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:732

約数の個数: 128

約数和(自身を含む): 36765696000

約数和(自身を除く): 16591878147

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 67, 133, 171, 189, 191, 201, 399, 439, 469, 513, 573, 603, 1197, 1273, 1317, 1337, 1407, 1719, 1809, 3073, 3591, 3629, 3819, 3951, 4011, 4221, 5157, 8341, 8911, 9219, 10887, 11457, 11853, 12033, 12663, 12797, 25023, 25403, 26733, 27657, 29413, 32661, 34371, 36099, 38391, 58387, 75069, 76209, 80199, 82971, 83849, 88239, 89579, 97983, 115173, 175161, 205891, 225207, 228627, 240597, 243143, 251547, 264717, 268737, 345519, 525483, 558847, 586943, 617673, 685881, 729429, 754641, 794151, 806211, 1576449, 1593131, 1676541, 1702001, 1760829, 1853019, 2188287, 2263923, 2418633, 3911929, 4779393, 5029623, 5106003, 5282487, 5559057, 5617883, 6564861, 11151917, 11735787, 14338179, 15088869, 15318009, 15847461, 16853649, 33455751, 35207361, 39325181, 43014537, 45954027, 50560947, 100367253, 105622083, 106739777, 117975543, 151682841, 301101759, 320219331, 353926629, 747178439, 960657993, 1061779887, 2241535317, 2881973979, 6724605951, 20173817853]

約数ペア:

[(1, 20173817853), (3, 6724605951), (7, 2881973979), (9, 2241535317), (19, 1061779887), (21, 960657993), (27, 747178439), (57, 353926629), (63, 320219331), (67, 301101759), (133, 151682841), (171, 117975543), (189, 106739777), (191, 105622083), (201, 100367253), (399, 50560947), (439, 45954027), (469, 43014537), (513, 39325181), (573, 35207361), (603, 33455751), (1197, 16853649), (1273, 15847461), (1317, 15318009), (1337, 15088869), (1407, 14338179), (1719, 11735787), (1809, 11151917), (3073, 6564861), (3591, 5617883), (3629, 5559057), (3819, 5282487), (3951, 5106003), (4011, 5029623), (4221, 4779393), (5157, 3911929), (8341, 2418633), (8911, 2263923), (9219, 2188287), (10887, 1853019), (11457, 1760829), (11853, 1702001), (12033, 1676541), (12663, 1593131), (12797, 1576449), (25023, 806211), (25403, 794151), (26733, 754641), (27657, 729429), (29413, 685881), (32661, 617673), (34371, 586943), (36099, 558847), (38391, 525483), (58387, 345519), (75069, 268737), (76209, 264717), (80199, 251547), (82971, 243143), (83849, 240597), (88239, 228627), (89579, 225207), (97983, 205891), (115173, 175161)]