20500837280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1181}}^1\times {\mathrm{1409}}^1$

素因数の和:2623

約数の個数: 192

約数和(自身を含む): 60478306560

約数和(自身を除く): 39977469280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1181, 1232, 1409, 1540, 1760, 2362, 2464, 2818, 3080, 4724, 5636, 5905, 6160, 7045, 8267, 9448, 9863, 11272, 11810, 12320, 12991, 14090, 15499, 16534, 18896, 19726, 22544, 23620, 25982, 28180, 30998, 33068, 37792, 39452, 41335, 45088, 47240, 49315, 51964, 56360, 61996, 64955, 66136, 77495, 78904, 82670, 90937, 94480, 98630, 103928, 108493, 112720, 123992, 129910, 132272, 154990, 157808, 165340, 181874, 188960, 197260, 207856, 216986, 225440, 247984, 259820, 264544, 309980, 315616, 330680, 363748, 394520, 415712, 433972, 454685, 495968, 519640, 542465, 619960, 661360, 727496, 789040, 867944, 909370, 1039280, 1084930, 1239920, 1322720, 1454992, 1578080, 1664029, 1735888, 1818740, 2078560, 2169860, 2479840, 2909984, 3328058, 3471776, 3637480, 4339720, 6656116, 7274960, 8320145, 8679440, 11648203, 13312232, 14549920, 16640290, 17358880, 18304319, 23296406, 26624464, 33280580, 36608638, 46592812, 53248928, 58241015, 66561160, 73217276, 91521595, 93185624, 116482030, 128130233, 133122320, 146434552, 183043190, 186371248, 232964060, 256260466, 266244640, 292869104, 366086380, 372742496, 465928120, 512520932, 585738208, 640651165, 732172760, 931856240, 1025041864, 1281302330, 1464345520, 1863712480, 2050083728, 2562604660, 2928691040, 4100167456, 5125209320, 10250418640, 20500837280]

約数ペア:

[(1, 20500837280), (2, 10250418640), (4, 5125209320), (5, 4100167456), (7, 2928691040), (8, 2562604660), (10, 2050083728), (11, 1863712480), (14, 1464345520), (16, 1281302330), (20, 1025041864), (22, 931856240), (28, 732172760), (32, 640651165), (35, 585738208), (40, 512520932), (44, 465928120), (55, 372742496), (56, 366086380), (70, 292869104), (77, 266244640), (80, 256260466), (88, 232964060), (110, 186371248), (112, 183043190), (140, 146434552), (154, 133122320), (160, 128130233), (176, 116482030), (220, 93185624), (224, 91521595), (280, 73217276), (308, 66561160), (352, 58241015), (385, 53248928), (440, 46592812), (560, 36608638), (616, 33280580), (770, 26624464), (880, 23296406), (1120, 18304319), (1181, 17358880), (1232, 16640290), (1409, 14549920), (1540, 13312232), (1760, 11648203), (2362, 8679440), (2464, 8320145), (2818, 7274960), (3080, 6656116), (4724, 4339720), (5636, 3637480), (5905, 3471776), (6160, 3328058), (7045, 2909984), (8267, 2479840), (9448, 2169860), (9863, 2078560), (11272, 1818740), (11810, 1735888), (12320, 1664029), (12991, 1578080), (14090, 1454992), (15499, 1322720), (16534, 1239920), (18896, 1084930), (19726, 1039280), (22544, 909370), (23620, 867944), (25982, 789040), (28180, 727496), (30998, 661360), (33068, 619960), (37792, 542465), (39452, 519640), (41335, 495968), (45088, 454685), (47240, 433972), (49315, 415712), (51964, 394520), (56360, 363748), (61996, 330680), (64955, 315616), (66136, 309980), (77495, 264544), (78904, 259820), (82670, 247984), (90937, 225440), (94480, 216986), (98630, 207856), (103928, 197260), (108493, 188960), (112720, 181874), (123992, 165340), (129910, 157808), (132272, 154990)]