20795705840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:745

約数の個数: 320

約数和(自身を含む): 61450233600

約数和(自身を除く): 40654527760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 97, 98, 104, 112, 130, 140, 182, 194, 196, 208, 245, 260, 280, 343, 364, 388, 392, 455, 485, 490, 520, 560, 601, 637, 679, 686, 728, 776, 784, 910, 970, 980, 1040, 1202, 1261, 1274, 1358, 1372, 1456, 1552, 1715, 1820, 1940, 1960, 2404, 2522, 2548, 2716, 2744, 3005, 3185, 3395, 3430, 3640, 3880, 3920, 4207, 4459, 4753, 4808, 5044, 5096, 5432, 5488, 6010, 6305, 6370, 6790, 6860, 7280, 7760, 7813, 8414, 8827, 8918, 9506, 9616, 10088, 10192, 10864, 12020, 12610, 12740, 13580, 13720, 15626, 16828, 17654, 17836, 19012, 20176, 21035, 22295, 23765, 24040, 25220, 25480, 27160, 27440, 29449, 31252, 33271, 33656, 35308, 35672, 38024, 39065, 42070, 44135, 44590, 47530, 48080, 50440, 50960, 54320, 54691, 58297, 58898, 61789, 62504, 66542, 67312, 70616, 71344, 76048, 78130, 84140, 88270, 89180, 95060, 100880, 109382, 116594, 117796, 123578, 125008, 133084, 141232, 147245, 156260, 166355, 168280, 176540, 178360, 190120, 206143, 218764, 233188, 235592, 247156, 266168, 273455, 291485, 294490, 308945, 312520, 332710, 336560, 353080, 356720, 380240, 382837, 408079, 412286, 432523, 437528, 466376, 471184, 494312, 532336, 546910, 582970, 588980, 617890, 625040, 665420, 706160, 757861, 765674, 816158, 824572, 865046, 875056, 932752, 988624, 1030715, 1093820, 1165940, 1177960, 1235780, 1330840, 1515722, 1531348, 1632316, 1649144, 1730092, 1914185, 2040395, 2061430, 2162615, 2187640, 2331880, 2355920, 2471560, 2661680, 2679859, 2856553, 3031444, 3062696, 3264632, 3298288, 3460184, 3789305, 3828370, 4080790, 4122860, 4325230, 4375280, 4663760, 4943120, 5305027, 5359718, 5713106, 6062888, 6125392, 6529264, 6920368, 7578610, 7656740, 8161580, 8245720, 8650460, 10610054, 10719436, 11426212, 12125776, 13399295, 14282765, 15157220, 15313480, 16323160, 16491440, 17300920, 19995871, 21220108, 21438872, 22852424, 26525135, 26798590, 28565530, 30314440, 30626960, 32646320, 34601840, 37135189, 39991742, 42440216, 42877744, 45704848, 53050270, 53597180, 57131060, 60628880, 74270378, 79983484, 84880432, 99979355, 106100540, 107194360, 114262120, 148540756, 159966968, 185675945, 199958710, 212201080, 214388720, 228524240, 259946323, 297081512, 319933936, 371351890, 399917420, 424402160, 519892646, 594163024, 742703780, 799834840, 1039785292, 1299731615, 1485407560, 1599669680, 2079570584, 2599463230, 2970815120, 4159141168, 5198926460, 10397852920, 20795705840]

約数ペア:

[(1, 20795705840), (2, 10397852920), (4, 5198926460), (5, 4159141168), (7, 2970815120), (8, 2599463230), (10, 2079570584), (13, 1599669680), (14, 1485407560), (16, 1299731615), (20, 1039785292), (26, 799834840), (28, 742703780), (35, 594163024), (40, 519892646), (49, 424402160), (52, 399917420), (56, 371351890), (65, 319933936), (70, 297081512), (80, 259946323), (91, 228524240), (97, 214388720), (98, 212201080), (104, 199958710), (112, 185675945), (130, 159966968), (140, 148540756), (182, 114262120), (194, 107194360), (196, 106100540), (208, 99979355), (245, 84880432), (260, 79983484), (280, 74270378), (343, 60628880), (364, 57131060), (388, 53597180), (392, 53050270), (455, 45704848), (485, 42877744), (490, 42440216), (520, 39991742), (560, 37135189), (601, 34601840), (637, 32646320), (679, 30626960), (686, 30314440), (728, 28565530), (776, 26798590), (784, 26525135), (910, 22852424), (970, 21438872), (980, 21220108), (1040, 19995871), (1202, 17300920), (1261, 16491440), (1274, 16323160), (1358, 15313480), (1372, 15157220), (1456, 14282765), (1552, 13399295), (1715, 12125776), (1820, 11426212), (1940, 10719436), (1960, 10610054), (2404, 8650460), (2522, 8245720), (2548, 8161580), (2716, 7656740), (2744, 7578610), (3005, 6920368), (3185, 6529264), (3395, 6125392), (3430, 6062888), (3640, 5713106), (3880, 5359718), (3920, 5305027), (4207, 4943120), (4459, 4663760), (4753, 4375280), (4808, 4325230), (5044, 4122860), (5096, 4080790), (5432, 3828370), (5488, 3789305), (6010, 3460184), (6305, 3298288), (6370, 3264632), (6790, 3062696), (6860, 3031444), (7280, 2856553), (7760, 2679859), (7813, 2661680), (8414, 2471560), (8827, 2355920), (8918, 2331880), (9506, 2187640), (9616, 2162615), (10088, 2061430), (10192, 2040395), (10864, 1914185), (12020, 1730092), (12610, 1649144), (12740, 1632316), (13580, 1531348), (13720, 1515722), (15626, 1330840), (16828, 1235780), (17654, 1177960), (17836, 1165940), (19012, 1093820), (20176, 1030715), (21035, 988624), (22295, 932752), (23765, 875056), (24040, 865046), (25220, 824572), (25480, 816158), (27160, 765674), (27440, 757861), (29449, 706160), (31252, 665420), (33271, 625040), (33656, 617890), (35308, 588980), (35672, 582970), (38024, 546910), (39065, 532336), (42070, 494312), (44135, 471184), (44590, 466376), (47530, 437528), (48080, 432523), (50440, 412286), (50960, 408079), (54320, 382837), (54691, 380240), (58297, 356720), (58898, 353080), (61789, 336560), (62504, 332710), (66542, 312520), (67312, 308945), (70616, 294490), (71344, 291485), (76048, 273455), (78130, 266168), (84140, 247156), (88270, 235592), (89180, 233188), (95060, 218764), (100880, 206143), (109382, 190120), (116594, 178360), (117796, 176540), (123578, 168280), (125008, 166355), (133084, 156260), (141232, 147245)]