20291040

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 384

約数和(自身を含む): 89994240

約数和(自身を除く): 69703200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 61, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 108, 110, 112, 120, 122, 126, 132, 135, 140, 144, 154, 160, 165, 168, 176, 180, 183, 189, 198, 210, 216, 220, 224, 231, 240, 244, 252, 264, 270, 280, 288, 297, 305, 308, 315, 330, 336, 352, 360, 366, 378, 385, 396, 420, 427, 432, 440, 462, 480, 488, 495, 504, 528, 540, 549, 560, 594, 610, 616, 630, 660, 671, 672, 693, 720, 732, 756, 770, 792, 840, 854, 864, 880, 915, 924, 945, 976, 990, 1008, 1056, 1080, 1098, 1120, 1155, 1188, 1220, 1232, 1260, 1281, 1320, 1342, 1386, 1440, 1464, 1485, 1512, 1540, 1584, 1647, 1680, 1708, 1760, 1830, 1848, 1890, 1952, 1980, 2013, 2016, 2079, 2135, 2160, 2196, 2310, 2376, 2440, 2464, 2520, 2562, 2640, 2684, 2745, 2772, 2928, 2970, 3024, 3080, 3168, 3294, 3355, 3360, 3416, 3465, 3660, 3696, 3780, 3843, 3960, 4026, 4158, 4270, 4320, 4392, 4620, 4697, 4752, 4880, 5040, 5124, 5280, 5368, 5490, 5544, 5856, 5940, 6039, 6048, 6160, 6405, 6588, 6710, 6832, 6930, 7320, 7392, 7560, 7686, 7920, 8052, 8235, 8316, 8540, 8784, 9240, 9394, 9504, 9760, 10065, 10080, 10248, 10395, 10736, 10980, 11088, 11529, 11880, 12078, 12320, 12810, 13176, 13420, 13664, 13860, 14091, 14640, 15120, 15372, 15840, 16104, 16470, 16632, 17080, 17568, 18117, 18480, 18788, 19215, 20130, 20496, 20790, 21472, 21960, 22176, 23058, 23485, 23760, 24156, 25620, 26352, 26840, 27720, 28182, 29280, 30195, 30240, 30744, 32208, 32940, 33264, 34160, 36234, 36960, 37576, 38430, 40260, 40992, 41580, 42273, 43920, 46116, 46970, 47520, 48312, 51240, 52704, 53680, 55440, 56364, 57645, 60390, 61488, 64416, 65880, 66528, 68320, 70455, 72468, 75152, 76860, 80520, 83160, 84546, 87840, 90585, 92232, 93940, 96624, 102480, 107360, 110880, 112728, 115290, 120780, 122976, 126819, 131760, 140910, 144936, 150304, 153720, 161040, 166320, 169092, 181170, 184464, 187880, 193248, 204960, 211365, 225456, 230580, 241560, 253638, 263520, 281820, 289872, 307440, 322080, 332640, 338184, 362340, 368928, 375760, 422730, 450912, 461160, 483120, 507276, 563640, 579744, 614880, 634095, 676368, 724680, 751520, 845460, 922320, 966240, 1014552, 1127280, 1268190, 1352736, 1449360, 1690920, 1844640, 2029104, 2254560, 2536380, 2898720, 3381840, 4058208, 5072760, 6763680, 10145520, 20291040]

約数ペア:

[(1, 20291040), (2, 10145520), (3, 6763680), (4, 5072760), (5, 4058208), (6, 3381840), (7, 2898720), (8, 2536380), (9, 2254560), (10, 2029104), (11, 1844640), (12, 1690920), (14, 1449360), (15, 1352736), (16, 1268190), (18, 1127280), (20, 1014552), (21, 966240), (22, 922320), (24, 845460), (27, 751520), (28, 724680), (30, 676368), (32, 634095), (33, 614880), (35, 579744), (36, 563640), (40, 507276), (42, 483120), (44, 461160), (45, 450912), (48, 422730), (54, 375760), (55, 368928), (56, 362340), (60, 338184), (61, 332640), (63, 322080), (66, 307440), (70, 289872), (72, 281820), (77, 263520), (80, 253638), (84, 241560), (88, 230580), (90, 225456), (96, 211365), (99, 204960), (105, 193248), (108, 187880), (110, 184464), (112, 181170), (120, 169092), (122, 166320), (126, 161040), (132, 153720), (135, 150304), (140, 144936), (144, 140910), (154, 131760), (160, 126819), (165, 122976), (168, 120780), (176, 115290), (180, 112728), (183, 110880), (189, 107360), (198, 102480), (210, 96624), (216, 93940), (220, 92232), (224, 90585), (231, 87840), (240, 84546), (244, 83160), (252, 80520), (264, 76860), (270, 75152), (280, 72468), (288, 70455), (297, 68320), (305, 66528), (308, 65880), (315, 64416), (330, 61488), (336, 60390), (352, 57645), (360, 56364), (366, 55440), (378, 53680), (385, 52704), (396, 51240), (420, 48312), (427, 47520), (432, 46970), (440, 46116), (462, 43920), (480, 42273), (488, 41580), (495, 40992), (504, 40260), (528, 38430), (540, 37576), (549, 36960), (560, 36234), (594, 34160), (610, 33264), (616, 32940), (630, 32208), (660, 30744), (671, 30240), (672, 30195), (693, 29280), (720, 28182), (732, 27720), (756, 26840), (770, 26352), (792, 25620), (840, 24156), (854, 23760), (864, 23485), (880, 23058), (915, 22176), (924, 21960), (945, 21472), (976, 20790), (990, 20496), (1008, 20130), (1056, 19215), (1080, 18788), (1098, 18480), (1120, 18117), (1155, 17568), (1188, 17080), (1220, 16632), (1232, 16470), (1260, 16104), (1281, 15840), (1320, 15372), (1342, 15120), (1386, 14640), (1440, 14091), (1464, 13860), (1485, 13664), (1512, 13420), (1540, 13176), (1584, 12810), (1647, 12320), (1680, 12078), (1708, 11880), (1760, 11529), (1830, 11088), (1848, 10980), (1890, 10736), (1952, 10395), (1980, 10248), (2013, 10080), (2016, 10065), (2079, 9760), (2135, 9504), (2160, 9394), (2196, 9240), (2310, 8784), (2376, 8540), (2440, 8316), (2464, 8235), (2520, 8052), (2562, 7920), (2640, 7686), (2684, 7560), (2745, 7392), (2772, 7320), (2928, 6930), (2970, 6832), (3024, 6710), (3080, 6588), (3168, 6405), (3294, 6160), (3355, 6048), (3360, 6039), (3416, 5940), (3465, 5856), (3660, 5544), (3696, 5490), (3780, 5368), (3843, 5280), (3960, 5124), (4026, 5040), (4158, 4880), (4270, 4752), (4320, 4697), (4392, 4620)]