20997963000

素因数分解:

$2^3\times 3^2\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4219}}^1$

素因数の和:4332

約数の個数: 384

約数和(自身を含む): 82158336000

約数和(自身を除く): 61160373000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 79, 84, 90, 100, 105, 120, 125, 126, 140, 150, 158, 168, 175, 180, 200, 210, 225, 237, 250, 252, 280, 300, 315, 316, 350, 360, 375, 395, 420, 450, 474, 500, 504, 525, 553, 600, 630, 632, 700, 711, 750, 790, 840, 875, 900, 948, 1000, 1050, 1106, 1125, 1185, 1260, 1400, 1422, 1500, 1575, 1580, 1659, 1750, 1800, 1896, 1975, 2100, 2212, 2250, 2370, 2520, 2625, 2765, 2844, 3000, 3150, 3160, 3318, 3500, 3555, 3950, 4200, 4219, 4424, 4500, 4740, 4977, 5250, 5530, 5688, 5925, 6300, 6636, 7000, 7110, 7875, 7900, 8295, 8438, 9000, 9480, 9875, 9954, 10500, 11060, 11850, 12600, 12657, 13272, 13825, 14220, 15750, 15800, 16590, 16876, 17775, 19750, 19908, 21000, 21095, 22120, 23700, 24885, 25314, 27650, 28440, 29533, 29625, 31500, 33180, 33752, 35550, 37971, 39500, 39816, 41475, 42190, 47400, 49770, 50628, 55300, 59066, 59250, 63000, 63285, 66360, 69125, 71100, 75942, 79000, 82950, 84380, 88599, 88875, 99540, 101256, 105475, 110600, 118132, 118500, 124425, 126570, 138250, 142200, 147665, 151884, 165900, 168760, 177198, 177750, 189855, 199080, 207375, 210950, 236264, 237000, 248850, 253140, 265797, 276500, 295330, 303768, 316425, 331800, 333301, 354396, 355500, 379710, 414750, 421900, 442995, 497700, 506280, 527375, 531594, 553000, 590660, 622125, 632850, 666602, 708792, 711000, 738325, 759420, 829500, 843800, 885990, 949275, 995400, 999903, 1054750, 1063188, 1181320, 1244250, 1265700, 1328985, 1333204, 1476650, 1518840, 1582125, 1659000, 1666505, 1771980, 1898550, 1999806, 2109500, 2126376, 2214975, 2333107, 2488500, 2531400, 2657970, 2666408, 2953300, 2999709, 3164250, 3333010, 3543960, 3691625, 3797100, 3999612, 4219000, 4429950, 4666214, 4746375, 4977000, 4999515, 5315940, 5906600, 5999418, 6328500, 6644925, 6666020, 6999321, 7383250, 7594200, 7999224, 8332525, 8859900, 9332428, 9492750, 9999030, 10631880, 11074875, 11665535, 11998836, 12657000, 13289850, 13332040, 13998642, 14766500, 14998545, 16665050, 17719800, 18664856, 18985500, 19998060, 20997963, 22149750, 23331070, 23997672, 24997575, 26579700, 27997284, 29533000, 29997090, 33224625, 33330100, 34996605, 37971000, 39996120, 41662625, 41995926, 44299500, 46662140, 49995150, 53159400, 55994568, 58327675, 59994180, 66449250, 66660200, 69993210, 74992725, 83325250, 83991852, 88599000, 93324280, 99990300, 104989815, 116655350, 119988360, 124987875, 132898500, 139986420, 149985450, 166650500, 167983704, 174983025, 199980600, 209979630, 233310700, 249975750, 265797000, 279972840, 291638375, 299970900, 333301000, 349966050, 374963625, 419959260, 466621400, 499951500, 524949075, 583276750, 599941800, 699932100, 749927250, 839918520, 874915125, 999903000, 1049898150, 1166553500, 1399864200, 1499854500, 1749830250, 2099796300, 2333107000, 2624745375, 2999709000, 3499660500, 4199592600, 5249490750, 6999321000, 10498981500, 20997963000]

約数ペア:

[(1, 20997963000), (2, 10498981500), (3, 6999321000), (4, 5249490750), (5, 4199592600), (6, 3499660500), (7, 2999709000), (8, 2624745375), (9, 2333107000), (10, 2099796300), (12, 1749830250), (14, 1499854500), (15, 1399864200), (18, 1166553500), (20, 1049898150), (21, 999903000), (24, 874915125), (25, 839918520), (28, 749927250), (30, 699932100), (35, 599941800), (36, 583276750), (40, 524949075), (42, 499951500), (45, 466621400), (50, 419959260), (56, 374963625), (60, 349966050), (63, 333301000), (70, 299970900), (72, 291638375), (75, 279972840), (79, 265797000), (84, 249975750), (90, 233310700), (100, 209979630), (105, 199980600), (120, 174983025), (125, 167983704), (126, 166650500), (140, 149985450), (150, 139986420), (158, 132898500), (168, 124987875), (175, 119988360), (180, 116655350), (200, 104989815), (210, 99990300), (225, 93324280), (237, 88599000), (250, 83991852), (252, 83325250), (280, 74992725), (300, 69993210), (315, 66660200), (316, 66449250), (350, 59994180), (360, 58327675), (375, 55994568), (395, 53159400), (420, 49995150), (450, 46662140), (474, 44299500), (500, 41995926), (504, 41662625), (525, 39996120), (553, 37971000), (600, 34996605), (630, 33330100), (632, 33224625), (700, 29997090), (711, 29533000), (750, 27997284), (790, 26579700), (840, 24997575), (875, 23997672), (900, 23331070), (948, 22149750), (1000, 20997963), (1050, 19998060), (1106, 18985500), (1125, 18664856), (1185, 17719800), (1260, 16665050), (1400, 14998545), (1422, 14766500), (1500, 13998642), (1575, 13332040), (1580, 13289850), (1659, 12657000), (1750, 11998836), (1800, 11665535), (1896, 11074875), (1975, 10631880), (2100, 9999030), (2212, 9492750), (2250, 9332428), (2370, 8859900), (2520, 8332525), (2625, 7999224), (2765, 7594200), (2844, 7383250), (3000, 6999321), (3150, 6666020), (3160, 6644925), (3318, 6328500), (3500, 5999418), (3555, 5906600), (3950, 5315940), (4200, 4999515), (4219, 4977000), (4424, 4746375), (4500, 4666214), (4740, 4429950), (4977, 4219000), (5250, 3999612), (5530, 3797100), (5688, 3691625), (5925, 3543960), (6300, 3333010), (6636, 3164250), (7000, 2999709), (7110, 2953300), (7875, 2666408), (7900, 2657970), (8295, 2531400), (8438, 2488500), (9000, 2333107), (9480, 2214975), (9875, 2126376), (9954, 2109500), (10500, 1999806), (11060, 1898550), (11850, 1771980), (12600, 1666505), (12657, 1659000), (13272, 1582125), (13825, 1518840), (14220, 1476650), (15750, 1333204), (15800, 1328985), (16590, 1265700), (16876, 1244250), (17775, 1181320), (19750, 1063188), (19908, 1054750), (21000, 999903), (21095, 995400), (22120, 949275), (23700, 885990), (24885, 843800), (25314, 829500), (27650, 759420), (28440, 738325), (29533, 711000), (29625, 708792), (31500, 666602), (33180, 632850), (33752, 622125), (35550, 590660), (37971, 553000), (39500, 531594), (39816, 527375), (41475, 506280), (42190, 497700), (47400, 442995), (49770, 421900), (50628, 414750), (55300, 379710), (59066, 355500), (59250, 354396), (63000, 333301), (63285, 331800), (66360, 316425), (69125, 303768), (71100, 295330), (75942, 276500), (79000, 265797), (82950, 253140), (84380, 248850), (88599, 237000), (88875, 236264), (99540, 210950), (101256, 207375), (105475, 199080), (110600, 189855), (118132, 177750), (118500, 177198), (124425, 168760), (126570, 165900), (138250, 151884), (142200, 147665)]