20805122016

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{194717}}^1$

素因数の和:194793

約数の個数: 144

約数和(自身を含む): 68892786144

約数和(自身を除く): 48087664128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 53, 56, 63, 72, 84, 96, 106, 112, 126, 144, 159, 168, 212, 224, 252, 288, 318, 336, 371, 424, 477, 504, 636, 672, 742, 848, 954, 1008, 1113, 1272, 1484, 1696, 1908, 2016, 2226, 2544, 2968, 3339, 3816, 4452, 5088, 5936, 6678, 7632, 8904, 11872, 13356, 15264, 17808, 26712, 35616, 53424, 106848, 194717, 389434, 584151, 778868, 1168302, 1363019, 1557736, 1752453, 2336604, 2726038, 3115472, 3504906, 4089057, 4673208, 5452076, 6230944, 7009812, 8178114, 9346416, 10320001, 10904152, 12267171, 14019624, 16356228, 18692832, 20640002, 21808304, 24534342, 28039248, 30960003, 32712456, 41280004, 43616608, 49068684, 56078496, 61920006, 65424912, 72240007, 82560008, 92880009, 98137368, 123840012, 130849824, 144480014, 165120016, 185760018, 196274736, 216720021, 247680024, 288960028, 330240032, 371520036, 392549472, 433440042, 495360048, 577920056, 650160063, 743040072, 866880084, 990720096, 1155840112, 1300320126, 1486080144, 1733760168, 2311680224, 2600640252, 2972160288, 3467520336, 5201280504, 6935040672, 10402561008, 20805122016]

約数ペア:

[(1, 20805122016), (2, 10402561008), (3, 6935040672), (4, 5201280504), (6, 3467520336), (7, 2972160288), (8, 2600640252), (9, 2311680224), (12, 1733760168), (14, 1486080144), (16, 1300320126), (18, 1155840112), (21, 990720096), (24, 866880084), (28, 743040072), (32, 650160063), (36, 577920056), (42, 495360048), (48, 433440042), (53, 392549472), (56, 371520036), (63, 330240032), (72, 288960028), (84, 247680024), (96, 216720021), (106, 196274736), (112, 185760018), (126, 165120016), (144, 144480014), (159, 130849824), (168, 123840012), (212, 98137368), (224, 92880009), (252, 82560008), (288, 72240007), (318, 65424912), (336, 61920006), (371, 56078496), (424, 49068684), (477, 43616608), (504, 41280004), (636, 32712456), (672, 30960003), (742, 28039248), (848, 24534342), (954, 21808304), (1008, 20640002), (1113, 18692832), (1272, 16356228), (1484, 14019624), (1696, 12267171), (1908, 10904152), (2016, 10320001), (2226, 9346416), (2544, 8178114), (2968, 7009812), (3339, 6230944), (3816, 5452076), (4452, 4673208), (5088, 4089057), (5936, 3504906), (6678, 3115472), (7632, 2726038), (8904, 2336604), (11872, 1752453), (13356, 1557736), (15264, 1363019), (17808, 1168302), (26712, 778868), (35616, 584151), (53424, 389434), (106848, 194717)]