20218463720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{1429}}^1$

素因数の和:1509

約数の個数: 256

約数和(自身を含む): 58810752000

約数和(自身を除く): 38592288280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 169, 182, 184, 230, 260, 280, 299, 322, 338, 364, 455, 460, 520, 598, 644, 676, 728, 805, 845, 910, 920, 1183, 1196, 1288, 1352, 1429, 1495, 1610, 1690, 1820, 2093, 2197, 2366, 2392, 2858, 2990, 3220, 3380, 3640, 3887, 4186, 4394, 4732, 5716, 5915, 5980, 6440, 6760, 7145, 7774, 8372, 8788, 9464, 10003, 10465, 10985, 11432, 11830, 11960, 14290, 15379, 15548, 16744, 17576, 18577, 19435, 20006, 20930, 21970, 23660, 27209, 28580, 30758, 31096, 32867, 37154, 38870, 40012, 41860, 43940, 47320, 50015, 50531, 54418, 57160, 61516, 65734, 74308, 76895, 77740, 80024, 83720, 87880, 92885, 100030, 101062, 108836, 123032, 130039, 131468, 136045, 148616, 153790, 155480, 164335, 185770, 200060, 202124, 217672, 230069, 241501, 252655, 260078, 262936, 272090, 307580, 328670, 353717, 371540, 400120, 404248, 427271, 460138, 483002, 505310, 520156, 544180, 615160, 650195, 657340, 707434, 743080, 854542, 920276, 966004, 1010620, 1040312, 1088360, 1150345, 1207505, 1300390, 1314680, 1414868, 1690507, 1709084, 1768585, 1840552, 1932008, 2021240, 2136355, 2300690, 2415010, 2600780, 2829736, 2990897, 3139513, 3381014, 3418168, 3537170, 4272710, 4601380, 4830020, 5201560, 5554523, 5981794, 6279026, 6762028, 7074340, 8452535, 8545420, 9202760, 9660040, 11109046, 11963588, 12558052, 13524056, 14148680, 14954485, 15697565, 16905070, 17090840, 21976591, 22218092, 23927176, 25116104, 27772615, 29908970, 31395130, 33810140, 38881661, 43953182, 44436184, 55545230, 59817940, 62790260, 67620280, 72208799, 77763322, 87906364, 109882955, 111090460, 119635880, 125580520, 144417598, 155526644, 175812728, 194408305, 219765910, 222180920, 288835196, 311053288, 361043995, 388816610, 439531820, 505461593, 577670392, 722087990, 777633220, 879063640, 1010923186, 1444175980, 1555266440, 2021846372, 2527307965, 2888351960, 4043692744, 5054615930, 10109231860, 20218463720]

約数ペア:

[(1, 20218463720), (2, 10109231860), (4, 5054615930), (5, 4043692744), (7, 2888351960), (8, 2527307965), (10, 2021846372), (13, 1555266440), (14, 1444175980), (20, 1010923186), (23, 879063640), (26, 777633220), (28, 722087990), (35, 577670392), (40, 505461593), (46, 439531820), (52, 388816610), (56, 361043995), (65, 311053288), (70, 288835196), (91, 222180920), (92, 219765910), (104, 194408305), (115, 175812728), (130, 155526644), (140, 144417598), (161, 125580520), (169, 119635880), (182, 111090460), (184, 109882955), (230, 87906364), (260, 77763322), (280, 72208799), (299, 67620280), (322, 62790260), (338, 59817940), (364, 55545230), (455, 44436184), (460, 43953182), (520, 38881661), (598, 33810140), (644, 31395130), (676, 29908970), (728, 27772615), (805, 25116104), (845, 23927176), (910, 22218092), (920, 21976591), (1183, 17090840), (1196, 16905070), (1288, 15697565), (1352, 14954485), (1429, 14148680), (1495, 13524056), (1610, 12558052), (1690, 11963588), (1820, 11109046), (2093, 9660040), (2197, 9202760), (2366, 8545420), (2392, 8452535), (2858, 7074340), (2990, 6762028), (3220, 6279026), (3380, 5981794), (3640, 5554523), (3887, 5201560), (4186, 4830020), (4394, 4601380), (4732, 4272710), (5716, 3537170), (5915, 3418168), (5980, 3381014), (6440, 3139513), (6760, 2990897), (7145, 2829736), (7774, 2600780), (8372, 2415010), (8788, 2300690), (9464, 2136355), (10003, 2021240), (10465, 1932008), (10985, 1840552), (11432, 1768585), (11830, 1709084), (11960, 1690507), (14290, 1414868), (15379, 1314680), (15548, 1300390), (16744, 1207505), (17576, 1150345), (18577, 1088360), (19435, 1040312), (20006, 1010620), (20930, 966004), (21970, 920276), (23660, 854542), (27209, 743080), (28580, 707434), (30758, 657340), (31096, 650195), (32867, 615160), (37154, 544180), (38870, 520156), (40012, 505310), (41860, 483002), (43940, 460138), (47320, 427271), (50015, 404248), (50531, 400120), (54418, 371540), (57160, 353717), (61516, 328670), (65734, 307580), (74308, 272090), (76895, 262936), (77740, 260078), (80024, 252655), (83720, 241501), (87880, 230069), (92885, 217672), (100030, 202124), (101062, 200060), (108836, 185770), (123032, 164335), (130039, 155480), (131468, 153790), (136045, 148616)]