20993479920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{9277}}^1$

素因数の和:9752

約数の個数: 240

約数和(自身を含む): 80763134400

約数和(自身を除く): 59769654480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 449, 504, 560, 630, 720, 840, 898, 1008, 1260, 1347, 1680, 1796, 2245, 2520, 2694, 3143, 3592, 4041, 4490, 5040, 5388, 6286, 6735, 7184, 8082, 8980, 9277, 9429, 10776, 12572, 13470, 15715, 16164, 17960, 18554, 18858, 20205, 21552, 25144, 26940, 27831, 28287, 31430, 32328, 35920, 37108, 37716, 40410, 46385, 47145, 50288, 53880, 55662, 56574, 62860, 64656, 64939, 74216, 75432, 80820, 83493, 92770, 94290, 107760, 111324, 113148, 125720, 129878, 139155, 141435, 148432, 150864, 161640, 166986, 185540, 188580, 194817, 222648, 226296, 251440, 259756, 278310, 282870, 323280, 324695, 333972, 371080, 377160, 389634, 417465, 445296, 452592, 519512, 556620, 565740, 584451, 649390, 667944, 742160, 754320, 779268, 834930, 974085, 1039024, 1113240, 1131480, 1168902, 1298780, 1335888, 1558536, 1669860, 1948170, 2226480, 2262960, 2337804, 2597560, 2922255, 3117072, 3339720, 3896340, 4165373, 4675608, 5195120, 5844510, 6679440, 7792680, 8330746, 9351216, 11689020, 12496119, 15585360, 16661492, 20826865, 23378040, 24992238, 29157611, 33322984, 37488357, 41653730, 46756080, 49984476, 58315222, 62480595, 66645968, 74976714, 83307460, 87472833, 99968952, 116630444, 124961190, 145788055, 149953428, 166614920, 174945666, 187441785, 199937904, 233260888, 249922380, 262418499, 291576110, 299906856, 333229840, 349891332, 374883570, 437364165, 466521776, 499844760, 524836998, 583152220, 599813712, 699782664, 749767140, 874728330, 999689520, 1049673996, 1166304440, 1312092495, 1399565328, 1499534280, 1749456660, 2099347992, 2332608880, 2624184990, 2999068560, 3498913320, 4198695984, 5248369980, 6997826640, 10496739960, 20993479920]

約数ペア:

[(1, 20993479920), (2, 10496739960), (3, 6997826640), (4, 5248369980), (5, 4198695984), (6, 3498913320), (7, 2999068560), (8, 2624184990), (9, 2332608880), (10, 2099347992), (12, 1749456660), (14, 1499534280), (15, 1399565328), (16, 1312092495), (18, 1166304440), (20, 1049673996), (21, 999689520), (24, 874728330), (28, 749767140), (30, 699782664), (35, 599813712), (36, 583152220), (40, 524836998), (42, 499844760), (45, 466521776), (48, 437364165), (56, 374883570), (60, 349891332), (63, 333229840), (70, 299906856), (72, 291576110), (80, 262418499), (84, 249922380), (90, 233260888), (105, 199937904), (112, 187441785), (120, 174945666), (126, 166614920), (140, 149953428), (144, 145788055), (168, 124961190), (180, 116630444), (210, 99968952), (240, 87472833), (252, 83307460), (280, 74976714), (315, 66645968), (336, 62480595), (360, 58315222), (420, 49984476), (449, 46756080), (504, 41653730), (560, 37488357), (630, 33322984), (720, 29157611), (840, 24992238), (898, 23378040), (1008, 20826865), (1260, 16661492), (1347, 15585360), (1680, 12496119), (1796, 11689020), (2245, 9351216), (2520, 8330746), (2694, 7792680), (3143, 6679440), (3592, 5844510), (4041, 5195120), (4490, 4675608), (5040, 4165373), (5388, 3896340), (6286, 3339720), (6735, 3117072), (7184, 2922255), (8082, 2597560), (8980, 2337804), (9277, 2262960), (9429, 2226480), (10776, 1948170), (12572, 1669860), (13470, 1558536), (15715, 1335888), (16164, 1298780), (17960, 1168902), (18554, 1131480), (18858, 1113240), (20205, 1039024), (21552, 974085), (25144, 834930), (26940, 779268), (27831, 754320), (28287, 742160), (31430, 667944), (32328, 649390), (35920, 584451), (37108, 565740), (37716, 556620), (40410, 519512), (46385, 452592), (47145, 445296), (50288, 417465), (53880, 389634), (55662, 377160), (56574, 371080), (62860, 333972), (64656, 324695), (64939, 323280), (74216, 282870), (75432, 278310), (80820, 259756), (83493, 251440), (92770, 226296), (94290, 222648), (107760, 194817), (111324, 188580), (113148, 185540), (125720, 166986), (129878, 161640), (139155, 150864), (141435, 148432)]