20574895180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 288

約数和(自身を含む): 55847232000

約数和(自身を除く): 35272336820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 49, 70, 76, 92, 95, 98, 107, 115, 133, 140, 161, 190, 196, 214, 230, 245, 266, 322, 380, 428, 437, 449, 460, 490, 532, 535, 644, 665, 749, 805, 874, 898, 931, 980, 1070, 1127, 1330, 1498, 1610, 1748, 1796, 1862, 2033, 2140, 2185, 2245, 2254, 2461, 2660, 2996, 3059, 3143, 3220, 3724, 3745, 4066, 4370, 4490, 4508, 4655, 4922, 5243, 5635, 6118, 6286, 7490, 8132, 8531, 8740, 8980, 9310, 9844, 10165, 10327, 10486, 11270, 12236, 12305, 12572, 14231, 14980, 15295, 15715, 17062, 17227, 18620, 20330, 20654, 20972, 21413, 22001, 22540, 24610, 26215, 28462, 30590, 31430, 34124, 34454, 40660, 41308, 42655, 42826, 44002, 46759, 48043, 49220, 51635, 52430, 56924, 59717, 61180, 62860, 68908, 71155, 72289, 85310, 85652, 86135, 88004, 93518, 96086, 99617, 103270, 104860, 107065, 110005, 119434, 120589, 142310, 144578, 170620, 172270, 187036, 192172, 196213, 199234, 206540, 214130, 220010, 233795, 238868, 240215, 241178, 284620, 289156, 298585, 327313, 336301, 344540, 361445, 392426, 398468, 418019, 428260, 440020, 467590, 480430, 482356, 498085, 506023, 597170, 602945, 654626, 672602, 722890, 784852, 836038, 912817, 935180, 960860, 981065, 996170, 1012046, 1104989, 1194340, 1205890, 1309252, 1345204, 1373491, 1445780, 1636565, 1672076, 1681505, 1825634, 1962130, 1992340, 2024092, 2090095, 2209978, 2291191, 2354107, 2411780, 2530115, 2746982, 3273130, 3363010, 3651268, 3924260, 4180190, 4419956, 4564085, 4582382, 4708214, 5060230, 5493964, 5524945, 6389719, 6546260, 6726020, 6867455, 7734923, 8360380, 9128170, 9164764, 9416428, 9614437, 10120460, 11049890, 11455955, 11770535, 12779438, 13734910, 15469846, 18256340, 19228874, 20994791, 22099780, 22911910, 23541070, 25558876, 27469820, 30939692, 31948595, 38457748, 38674615, 41989582, 44728033, 45823820, 47082140, 48072185, 54144461, 63897190, 77349230, 83979164, 89456066, 96144370, 104973955, 108288922, 127794380, 146963537, 154698460, 178912132, 192288740, 209947910, 216577844, 223640165, 270722305, 293927074, 419895820, 447280330, 541444610, 587854148, 734817685, 894560660, 1028744759, 1082889220, 1469635370, 2057489518, 2939270740, 4114979036, 5143723795, 10287447590, 20574895180]

約数ペア:

[(1, 20574895180), (2, 10287447590), (4, 5143723795), (5, 4114979036), (7, 2939270740), (10, 2057489518), (14, 1469635370), (19, 1082889220), (20, 1028744759), (23, 894560660), (28, 734817685), (35, 587854148), (38, 541444610), (46, 447280330), (49, 419895820), (70, 293927074), (76, 270722305), (92, 223640165), (95, 216577844), (98, 209947910), (107, 192288740), (115, 178912132), (133, 154698460), (140, 146963537), (161, 127794380), (190, 108288922), (196, 104973955), (214, 96144370), (230, 89456066), (245, 83979164), (266, 77349230), (322, 63897190), (380, 54144461), (428, 48072185), (437, 47082140), (449, 45823820), (460, 44728033), (490, 41989582), (532, 38674615), (535, 38457748), (644, 31948595), (665, 30939692), (749, 27469820), (805, 25558876), (874, 23541070), (898, 22911910), (931, 22099780), (980, 20994791), (1070, 19228874), (1127, 18256340), (1330, 15469846), (1498, 13734910), (1610, 12779438), (1748, 11770535), (1796, 11455955), (1862, 11049890), (2033, 10120460), (2140, 9614437), (2185, 9416428), (2245, 9164764), (2254, 9128170), (2461, 8360380), (2660, 7734923), (2996, 6867455), (3059, 6726020), (3143, 6546260), (3220, 6389719), (3724, 5524945), (3745, 5493964), (4066, 5060230), (4370, 4708214), (4490, 4582382), (4508, 4564085), (4655, 4419956), (4922, 4180190), (5243, 3924260), (5635, 3651268), (6118, 3363010), (6286, 3273130), (7490, 2746982), (8132, 2530115), (8531, 2411780), (8740, 2354107), (8980, 2291191), (9310, 2209978), (9844, 2090095), (10165, 2024092), (10327, 1992340), (10486, 1962130), (11270, 1825634), (12236, 1681505), (12305, 1672076), (12572, 1636565), (14231, 1445780), (14980, 1373491), (15295, 1345204), (15715, 1309252), (17062, 1205890), (17227, 1194340), (18620, 1104989), (20330, 1012046), (20654, 996170), (20972, 981065), (21413, 960860), (22001, 935180), (22540, 912817), (24610, 836038), (26215, 784852), (28462, 722890), (30590, 672602), (31430, 654626), (34124, 602945), (34454, 597170), (40660, 506023), (41308, 498085), (42655, 482356), (42826, 480430), (44002, 467590), (46759, 440020), (48043, 428260), (49220, 418019), (51635, 398468), (52430, 392426), (56924, 361445), (59717, 344540), (61180, 336301), (62860, 327313), (68908, 298585), (71155, 289156), (72289, 284620), (85310, 241178), (85652, 240215), (86135, 238868), (88004, 233795), (93518, 220010), (96086, 214130), (99617, 206540), (103270, 199234), (104860, 196213), (107065, 192172), (110005, 187036), (119434, 172270), (120589, 170620), (142310, 144578)]