20565995562

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{971}}^1\times {\mathrm{1571}}^1$

素因数の和:2664

約数の個数: 96

約数和(自身を含む): 51486948864

約数和(自身を除く): 30920953302

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 971, 1498, 1571, 1926, 1942, 2247, 2913, 3142, 4494, 4713, 5826, 6741, 6797, 8739, 9426, 10997, 13482, 13594, 14139, 17478, 20391, 21994, 28278, 32991, 40782, 61173, 65982, 98973, 103897, 122346, 168097, 197946, 207794, 311691, 336194, 504291, 623382, 727279, 935073, 1008582, 1176679, 1454558, 1512873, 1525441, 1870146, 2181837, 2353358, 3025746, 3050882, 3530037, 4363674, 4576323, 6545511, 7060074, 9152646, 10590111, 10678087, 13091022, 13728969, 21180222, 21356174, 27457938, 32034261, 64068522, 96102783, 163222187, 192205566, 326444374, 489666561, 979333122, 1142555309, 1468999683, 2285110618, 2937999366, 3427665927, 6855331854, 10282997781, 20565995562]

約数ペア:

[(1, 20565995562), (2, 10282997781), (3, 6855331854), (6, 3427665927), (7, 2937999366), (9, 2285110618), (14, 1468999683), (18, 1142555309), (21, 979333122), (42, 489666561), (63, 326444374), (107, 192205566), (126, 163222187), (214, 96102783), (321, 64068522), (642, 32034261), (749, 27457938), (963, 21356174), (971, 21180222), (1498, 13728969), (1571, 13091022), (1926, 10678087), (1942, 10590111), (2247, 9152646), (2913, 7060074), (3142, 6545511), (4494, 4576323), (4713, 4363674), (5826, 3530037), (6741, 3050882), (6797, 3025746), (8739, 2353358), (9426, 2181837), (10997, 1870146), (13482, 1525441), (13594, 1512873), (14139, 1454558), (17478, 1176679), (20391, 1008582), (21994, 935073), (28278, 727279), (32991, 623382), (40782, 504291), (61173, 336194), (65982, 311691), (98973, 207794), (103897, 197946), (122346, 168097)]