20304889920

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{335729}}^1$

素因数の和:335762

約数の個数: 224

約数和(自身を含む): 81864403200

約数和(自身を除く): 61559513280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 335729, 671458, 1007187, 1342916, 1678645, 2014374, 2350103, 2685832, 3021561, 3357290, 4028748, 4700206, 5035935, 5371664, 6043122, 6714580, 7050309, 8057496, 9064683, 9400412, 10071870, 10743328, 11750515, 12086244, 13429160, 14100618, 15107805, 16114992, 18129366, 18800824, 20143740, 21150927, 21486656, 23501030, 24172488, 26858320, 28201236, 30215610, 32229984, 35251545, 36258732, 37601648, 40287480, 42301854, 45323415, 47002060, 48344976, 53716640, 56402472, 60431220, 63452781, 64459968, 70503090, 72517464, 75203296, 80574960, 84603708, 90646830, 94004120, 96689952, 105754635, 107433280, 112804944, 120862440, 126905562, 141006180, 145034928, 150406592, 161149920, 169207416, 181293660, 188008240, 193379904, 211509270, 225609888, 241724880, 253811124, 282012360, 290069856, 317263905, 322299840, 338414832, 362587320, 376016480, 423018540, 451219776, 483449760, 507622248, 564024720, 580139712, 634527810, 676829664, 725174640, 752032960, 846037080, 966899520, 1015244496, 1128049440, 1269055620, 1353659328, 1450349280, 1692074160, 2030488992, 2256098880, 2538111240, 2900698560, 3384148320, 4060977984, 5076222480, 6768296640, 10152444960, 20304889920]

約数ペア:

[(1, 20304889920), (2, 10152444960), (3, 6768296640), (4, 5076222480), (5, 4060977984), (6, 3384148320), (7, 2900698560), (8, 2538111240), (9, 2256098880), (10, 2030488992), (12, 1692074160), (14, 1450349280), (15, 1353659328), (16, 1269055620), (18, 1128049440), (20, 1015244496), (21, 966899520), (24, 846037080), (27, 752032960), (28, 725174640), (30, 676829664), (32, 634527810), (35, 580139712), (36, 564024720), (40, 507622248), (42, 483449760), (45, 451219776), (48, 423018540), (54, 376016480), (56, 362587320), (60, 338414832), (63, 322299840), (64, 317263905), (70, 290069856), (72, 282012360), (80, 253811124), (84, 241724880), (90, 225609888), (96, 211509270), (105, 193379904), (108, 188008240), (112, 181293660), (120, 169207416), (126, 161149920), (135, 150406592), (140, 145034928), (144, 141006180), (160, 126905562), (168, 120862440), (180, 112804944), (189, 107433280), (192, 105754635), (210, 96689952), (216, 94004120), (224, 90646830), (240, 84603708), (252, 80574960), (270, 75203296), (280, 72517464), (288, 70503090), (315, 64459968), (320, 63452781), (336, 60431220), (360, 56402472), (378, 53716640), (420, 48344976), (432, 47002060), (448, 45323415), (480, 42301854), (504, 40287480), (540, 37601648), (560, 36258732), (576, 35251545), (630, 32229984), (672, 30215610), (720, 28201236), (756, 26858320), (840, 24172488), (864, 23501030), (945, 21486656), (960, 21150927), (1008, 20143740), (1080, 18800824), (1120, 18129366), (1260, 16114992), (1344, 15107805), (1440, 14100618), (1512, 13429160), (1680, 12086244), (1728, 11750515), (1890, 10743328), (2016, 10071870), (2160, 9400412), (2240, 9064683), (2520, 8057496), (2880, 7050309), (3024, 6714580), (3360, 6043122), (3780, 5371664), (4032, 5035935), (4320, 4700206), (5040, 4028748), (6048, 3357290), (6720, 3021561), (7560, 2685832), (8640, 2350103), (10080, 2014374), (12096, 1678645), (15120, 1342916), (20160, 1007187), (30240, 671458), (60480, 335729)]