20194362747

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:718

約数の個数: 128

約数和(自身を含む): 35060256000

約数和(自身を除く): 14865893253

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 61, 109, 117, 153, 183, 221, 327, 351, 459, 509, 549, 663, 793, 981, 1037, 1417, 1527, 1647, 1853, 1989, 2379, 2943, 3111, 4251, 4581, 5559, 5967, 6617, 6649, 7137, 8653, 9333, 12753, 13481, 13743, 16677, 19851, 19947, 21411, 24089, 25959, 27999, 31049, 38259, 40443, 50031, 55481, 59553, 59841, 72267, 77877, 86437, 93147, 112489, 113033, 121329, 166443, 178659, 179523, 216801, 233631, 259311, 279441, 337467, 339099, 363987, 403637, 499329, 527833, 650403, 721253, 777933, 838323, 943177, 1012401, 1017297, 1210911, 1469429, 1497987, 1583499, 2163759, 2333799, 2829531, 3037203, 3051891, 3384341, 3632733, 4408287, 4750497, 6491277, 6861829, 8488593, 10153023, 10898199, 12261301, 13224861, 14251491, 19473831, 20585487, 25465779, 30459069, 36783903, 39674583, 43996433, 57533797, 61756461, 91377207, 110351709, 131989299, 172601391, 185269383, 331055127, 395967897, 517804173, 747939361, 1187903691, 1553412519, 2243818083, 6731454249, 20194362747]

約数ペア:

[(1, 20194362747), (3, 6731454249), (9, 2243818083), (13, 1553412519), (17, 1187903691), (27, 747939361), (39, 517804173), (51, 395967897), (61, 331055127), (109, 185269383), (117, 172601391), (153, 131989299), (183, 110351709), (221, 91377207), (327, 61756461), (351, 57533797), (459, 43996433), (509, 39674583), (549, 36783903), (663, 30459069), (793, 25465779), (981, 20585487), (1037, 19473831), (1417, 14251491), (1527, 13224861), (1647, 12261301), (1853, 10898199), (1989, 10153023), (2379, 8488593), (2943, 6861829), (3111, 6491277), (4251, 4750497), (4581, 4408287), (5559, 3632733), (5967, 3384341), (6617, 3051891), (6649, 3037203), (7137, 2829531), (8653, 2333799), (9333, 2163759), (12753, 1583499), (13481, 1497987), (13743, 1469429), (16677, 1210911), (19851, 1017297), (19947, 1012401), (21411, 943177), (24089, 838323), (25959, 777933), (27999, 721253), (31049, 650403), (38259, 527833), (40443, 499329), (50031, 403637), (55481, 363987), (59553, 339099), (59841, 337467), (72267, 279441), (77877, 259311), (86437, 233631), (93147, 216801), (112489, 179523), (113033, 178659), (121329, 166443)]