20199644361

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 34664692608

約数和(自身を除く): 14465048247

約数列:

[1, 3, 9, 13, 23, 31, 39, 69, 73, 93, 107, 117, 207, 219, 279, 299, 321, 403, 657, 713, 897, 949, 961, 963, 1209, 1391, 1679, 2139, 2263, 2461, 2691, 2847, 2883, 3317, 3627, 4173, 5037, 6417, 6789, 7383, 7811, 8541, 8649, 9269, 9951, 12493, 12519, 15111, 20367, 21827, 22103, 22149, 23433, 27807, 29419, 29853, 31993, 37479, 43121, 52049, 65481, 66309, 70153, 70299, 76291, 83421, 88257, 95979, 101543, 102827, 112437, 129363, 156147, 179653, 196443, 198927, 210459, 228873, 242141, 264771, 287339, 287937, 304629, 308481, 388089, 468441, 538959, 631377, 676637, 686619, 726423, 862017, 911989, 913887, 925443, 991783, 1336751, 1613519, 1616877, 2029911, 2179269, 2335489, 2365021, 2586051, 2735967, 2975349, 3147833, 4010253, 4840557, 5569243, 6089733, 7006467, 7095063, 7506371, 8207901, 8926047, 9443499, 12030759, 14521671, 16707729, 20975747, 21019401, 21285189, 22519113, 28330497, 30745273, 50123187, 62927241, 67557339, 72400159, 92235819, 97582823, 172646533, 188781723, 217200477, 276707457, 292748469, 517939599, 651601431, 878245407, 1553818797, 2244404929, 6733214787, 20199644361]

約数ペア:

[(1, 20199644361), (3, 6733214787), (9, 2244404929), (13, 1553818797), (23, 878245407), (31, 651601431), (39, 517939599), (69, 292748469), (73, 276707457), (93, 217200477), (107, 188781723), (117, 172646533), (207, 97582823), (219, 92235819), (279, 72400159), (299, 67557339), (321, 62927241), (403, 50123187), (657, 30745273), (713, 28330497), (897, 22519113), (949, 21285189), (961, 21019401), (963, 20975747), (1209, 16707729), (1391, 14521671), (1679, 12030759), (2139, 9443499), (2263, 8926047), (2461, 8207901), (2691, 7506371), (2847, 7095063), (2883, 7006467), (3317, 6089733), (3627, 5569243), (4173, 4840557), (5037, 4010253), (6417, 3147833), (6789, 2975349), (7383, 2735967), (7811, 2586051), (8541, 2365021), (8649, 2335489), (9269, 2179269), (9951, 2029911), (12493, 1616877), (12519, 1613519), (15111, 1336751), (20367, 991783), (21827, 925443), (22103, 913887), (22149, 911989), (23433, 862017), (27807, 726423), (29419, 686619), (29853, 676637), (31993, 631377), (37479, 538959), (43121, 468441), (52049, 388089), (65481, 308481), (66309, 304629), (70153, 287937), (70299, 287339), (76291, 264771), (83421, 242141), (88257, 228873), (95979, 210459), (101543, 198927), (102827, 196443), (112437, 179653), (129363, 156147)]