20208221520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:850

約数の個数: 320

約数和(自身を含む): 66636877824

約数和(自身を除く): 46428656304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 47, 48, 60, 61, 80, 86, 94, 120, 122, 129, 141, 172, 183, 188, 215, 235, 240, 244, 258, 282, 305, 344, 366, 376, 430, 470, 488, 516, 564, 610, 645, 683, 688, 705, 732, 752, 860, 915, 940, 976, 1032, 1128, 1220, 1290, 1366, 1410, 1464, 1720, 1830, 1880, 2021, 2049, 2064, 2256, 2440, 2580, 2623, 2732, 2820, 2867, 2928, 3415, 3440, 3660, 3760, 4042, 4098, 4880, 5160, 5246, 5464, 5640, 5734, 6063, 6830, 7320, 7869, 8084, 8196, 8601, 10105, 10245, 10320, 10492, 10928, 11280, 11468, 12126, 13115, 13660, 14335, 14640, 15738, 16168, 16392, 17202, 20210, 20490, 20984, 22936, 24252, 26230, 27320, 28670, 29369, 30315, 31476, 32101, 32336, 32784, 34404, 39345, 40420, 40980, 41663, 41968, 43005, 45872, 48504, 52460, 54640, 57340, 58738, 60630, 62952, 64202, 68808, 78690, 80840, 81960, 83326, 86010, 88107, 96303, 97008, 104920, 114680, 117476, 121260, 123281, 124989, 125904, 128404, 137616, 146845, 157380, 160505, 161680, 163920, 166652, 172020, 176214, 192606, 208315, 209840, 229360, 234952, 242520, 246562, 249978, 256808, 293690, 314760, 321010, 333304, 344040, 352428, 369843, 385212, 416630, 440535, 469904, 481515, 485040, 493124, 499956, 513616, 587380, 616405, 624945, 629520, 642020, 666608, 688080, 704856, 739686, 770424, 833260, 881070, 963030, 986248, 999912, 1174760, 1232810, 1249890, 1284040, 1380343, 1409712, 1479372, 1540848, 1666520, 1762140, 1791509, 1849215, 1926060, 1958161, 1972496, 1999824, 2349520, 2465620, 2499780, 2568080, 2760686, 2958744, 3333040, 3524280, 3583018, 3698430, 3852120, 3916322, 4141029, 4931240, 4999560, 5374527, 5521372, 5874483, 5917488, 6901715, 7048560, 7166036, 7396860, 7704240, 7832644, 8282058, 8957545, 9790805, 9862480, 9999120, 10749054, 11042744, 11748966, 13803430, 14332072, 14793720, 15665288, 16564116, 17915090, 19581610, 20705145, 21498108, 22085488, 23497932, 26872635, 27606860, 28664144, 29372415, 29587440, 31330576, 33128232, 35830180, 39163220, 41410290, 42996216, 46995864, 53745270, 55213720, 58744830, 66256464, 71660360, 78326440, 82820580, 84200923, 85992432, 93991728, 107490540, 110427440, 117489660, 143320720, 156652880, 165641160, 168401846, 214981080, 234979320, 252602769, 331282320, 336803692, 421004615, 429962160, 469958640, 505205538, 673607384, 842009230, 1010411076, 1263013845, 1347214768, 1684018460, 2020822152, 2526027690, 3368036920, 4041644304, 5052055380, 6736073840, 10104110760, 20208221520]

約数ペア:

[(1, 20208221520), (2, 10104110760), (3, 6736073840), (4, 5052055380), (5, 4041644304), (6, 3368036920), (8, 2526027690), (10, 2020822152), (12, 1684018460), (15, 1347214768), (16, 1263013845), (20, 1010411076), (24, 842009230), (30, 673607384), (40, 505205538), (43, 469958640), (47, 429962160), (48, 421004615), (60, 336803692), (61, 331282320), (80, 252602769), (86, 234979320), (94, 214981080), (120, 168401846), (122, 165641160), (129, 156652880), (141, 143320720), (172, 117489660), (183, 110427440), (188, 107490540), (215, 93991728), (235, 85992432), (240, 84200923), (244, 82820580), (258, 78326440), (282, 71660360), (305, 66256464), (344, 58744830), (366, 55213720), (376, 53745270), (430, 46995864), (470, 42996216), (488, 41410290), (516, 39163220), (564, 35830180), (610, 33128232), (645, 31330576), (683, 29587440), (688, 29372415), (705, 28664144), (732, 27606860), (752, 26872635), (860, 23497932), (915, 22085488), (940, 21498108), (976, 20705145), (1032, 19581610), (1128, 17915090), (1220, 16564116), (1290, 15665288), (1366, 14793720), (1410, 14332072), (1464, 13803430), (1720, 11748966), (1830, 11042744), (1880, 10749054), (2021, 9999120), (2049, 9862480), (2064, 9790805), (2256, 8957545), (2440, 8282058), (2580, 7832644), (2623, 7704240), (2732, 7396860), (2820, 7166036), (2867, 7048560), (2928, 6901715), (3415, 5917488), (3440, 5874483), (3660, 5521372), (3760, 5374527), (4042, 4999560), (4098, 4931240), (4880, 4141029), (5160, 3916322), (5246, 3852120), (5464, 3698430), (5640, 3583018), (5734, 3524280), (6063, 3333040), (6830, 2958744), (7320, 2760686), (7869, 2568080), (8084, 2499780), (8196, 2465620), (8601, 2349520), (10105, 1999824), (10245, 1972496), (10320, 1958161), (10492, 1926060), (10928, 1849215), (11280, 1791509), (11468, 1762140), (12126, 1666520), (13115, 1540848), (13660, 1479372), (14335, 1409712), (14640, 1380343), (15738, 1284040), (16168, 1249890), (16392, 1232810), (17202, 1174760), (20210, 999912), (20490, 986248), (20984, 963030), (22936, 881070), (24252, 833260), (26230, 770424), (27320, 739686), (28670, 704856), (29369, 688080), (30315, 666608), (31476, 642020), (32101, 629520), (32336, 624945), (32784, 616405), (34404, 587380), (39345, 513616), (40420, 499956), (40980, 493124), (41663, 485040), (41968, 481515), (43005, 469904), (45872, 440535), (48504, 416630), (52460, 385212), (54640, 369843), (57340, 352428), (58738, 344040), (60630, 333304), (62952, 321010), (64202, 314760), (68808, 293690), (78690, 256808), (80840, 249978), (81960, 246562), (83326, 242520), (86010, 234952), (88107, 229360), (96303, 209840), (97008, 208315), (104920, 192606), (114680, 176214), (117476, 172020), (121260, 166652), (123281, 163920), (124989, 161680), (125904, 160505), (128404, 157380), (137616, 146845)]