20197780920

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:4017

約数の個数: 384

約数和(自身を含む): 74422333440

約数和(自身を除く): 54224552520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 51, 54, 60, 62, 68, 72, 81, 85, 90, 93, 102, 108, 120, 124, 135, 136, 153, 155, 162, 170, 180, 186, 204, 216, 243, 248, 255, 270, 279, 306, 310, 324, 340, 360, 372, 405, 408, 459, 465, 486, 510, 527, 540, 558, 612, 620, 648, 680, 744, 765, 810, 837, 918, 930, 972, 1020, 1054, 1080, 1116, 1215, 1224, 1240, 1377, 1395, 1530, 1581, 1620, 1674, 1836, 1860, 1944, 2040, 2108, 2232, 2295, 2430, 2511, 2635, 2754, 2790, 3060, 3162, 3240, 3348, 3672, 3720, 3943, 4131, 4185, 4216, 4590, 4743, 4860, 5022, 5270, 5508, 5580, 6120, 6324, 6696, 6885, 7533, 7886, 7905, 8262, 8370, 9180, 9486, 9720, 10044, 10540, 11016, 11160, 11829, 12555, 12648, 13770, 14229, 15066, 15772, 15810, 16524, 16740, 18360, 18972, 19715, 20088, 20655, 21080, 23658, 23715, 25110, 27540, 28458, 30132, 31544, 31620, 33048, 33480, 35487, 37665, 37944, 39430, 41310, 42687, 47316, 47430, 50220, 55080, 56916, 59145, 60264, 63240, 67031, 70974, 71145, 75330, 78860, 82620, 85374, 94632, 94860, 100440, 106461, 113832, 118290, 122233, 128061, 134062, 141948, 142290, 150660, 157720, 165240, 170748, 177435, 189720, 201093, 212922, 213435, 236580, 244466, 256122, 268124, 283896, 284580, 301320, 319383, 335155, 341496, 354870, 366699, 402186, 425844, 426870, 473160, 488932, 512244, 532305, 536248, 569160, 603279, 611165, 638766, 640305, 670310, 709740, 733398, 804372, 851688, 853740, 958149, 977864, 1005465, 1024488, 1064610, 1100097, 1206558, 1222330, 1277532, 1280610, 1340620, 1419480, 1466796, 1596915, 1608744, 1707480, 1809837, 1833495, 1916298, 2010930, 2077961, 2129220, 2200194, 2413116, 2444660, 2555064, 2561220, 2681240, 2933592, 3016395, 3193830, 3300291, 3619674, 3666990, 3832596, 4021860, 4155922, 4258440, 4400388, 4790745, 4826232, 4889320, 5122440, 5429511, 5500485, 6032790, 6233883, 6387660, 6600582, 7239348, 7333980, 7665192, 8043720, 8311844, 8800776, 9049185, 9581490, 9900873, 10389805, 10859022, 11000970, 12065580, 12467766, 12775320, 13201164, 14478696, 14667960, 16288533, 16501455, 16623688, 18098370, 18701649, 19162980, 19801746, 20779610, 21718044, 22001940, 24131160, 24935532, 26402328, 27147555, 29702619, 31169415, 32577066, 33002910, 36196740, 37403298, 38325960, 39603492, 41559220, 43436088, 44003880, 49504365, 49871064, 54295110, 56104947, 59405238, 62338830, 65154132, 66005820, 72393480, 74806596, 79206984, 81442665, 83118440, 93508245, 99008730, 108590220, 112209894, 118810476, 124677660, 130308264, 132011640, 148513095, 149613192, 162885330, 168314841, 187016490, 198017460, 217180440, 224419788, 237620952, 249355320, 280524735, 297026190, 325770660, 336629682, 374032980, 396034920, 448839576, 504944523, 561049470, 594052380, 651541320, 673259364, 748065960, 841574205, 1009889046, 1122098940, 1188104760, 1346518728, 1683148410, 2019778092, 2244197880, 2524722615, 3366296820, 4039556184, 5049445230, 6732593640, 10098890460, 20197780920]

約数ペア:

[(1, 20197780920), (2, 10098890460), (3, 6732593640), (4, 5049445230), (5, 4039556184), (6, 3366296820), (8, 2524722615), (9, 2244197880), (10, 2019778092), (12, 1683148410), (15, 1346518728), (17, 1188104760), (18, 1122098940), (20, 1009889046), (24, 841574205), (27, 748065960), (30, 673259364), (31, 651541320), (34, 594052380), (36, 561049470), (40, 504944523), (45, 448839576), (51, 396034920), (54, 374032980), (60, 336629682), (62, 325770660), (68, 297026190), (72, 280524735), (81, 249355320), (85, 237620952), (90, 224419788), (93, 217180440), (102, 198017460), (108, 187016490), (120, 168314841), (124, 162885330), (135, 149613192), (136, 148513095), (153, 132011640), (155, 130308264), (162, 124677660), (170, 118810476), (180, 112209894), (186, 108590220), (204, 99008730), (216, 93508245), (243, 83118440), (248, 81442665), (255, 79206984), (270, 74806596), (279, 72393480), (306, 66005820), (310, 65154132), (324, 62338830), (340, 59405238), (360, 56104947), (372, 54295110), (405, 49871064), (408, 49504365), (459, 44003880), (465, 43436088), (486, 41559220), (510, 39603492), (527, 38325960), (540, 37403298), (558, 36196740), (612, 33002910), (620, 32577066), (648, 31169415), (680, 29702619), (744, 27147555), (765, 26402328), (810, 24935532), (837, 24131160), (918, 22001940), (930, 21718044), (972, 20779610), (1020, 19801746), (1054, 19162980), (1080, 18701649), (1116, 18098370), (1215, 16623688), (1224, 16501455), (1240, 16288533), (1377, 14667960), (1395, 14478696), (1530, 13201164), (1581, 12775320), (1620, 12467766), (1674, 12065580), (1836, 11000970), (1860, 10859022), (1944, 10389805), (2040, 9900873), (2108, 9581490), (2232, 9049185), (2295, 8800776), (2430, 8311844), (2511, 8043720), (2635, 7665192), (2754, 7333980), (2790, 7239348), (3060, 6600582), (3162, 6387660), (3240, 6233883), (3348, 6032790), (3672, 5500485), (3720, 5429511), (3943, 5122440), (4131, 4889320), (4185, 4826232), (4216, 4790745), (4590, 4400388), (4743, 4258440), (4860, 4155922), (5022, 4021860), (5270, 3832596), (5508, 3666990), (5580, 3619674), (6120, 3300291), (6324, 3193830), (6696, 3016395), (6885, 2933592), (7533, 2681240), (7886, 2561220), (7905, 2555064), (8262, 2444660), (8370, 2413116), (9180, 2200194), (9486, 2129220), (9720, 2077961), (10044, 2010930), (10540, 1916298), (11016, 1833495), (11160, 1809837), (11829, 1707480), (12555, 1608744), (12648, 1596915), (13770, 1466796), (14229, 1419480), (15066, 1340620), (15772, 1280610), (15810, 1277532), (16524, 1222330), (16740, 1206558), (18360, 1100097), (18972, 1064610), (19715, 1024488), (20088, 1005465), (20655, 977864), (21080, 958149), (23658, 853740), (23715, 851688), (25110, 804372), (27540, 733398), (28458, 709740), (30132, 670310), (31544, 640305), (31620, 638766), (33048, 611165), (33480, 603279), (35487, 569160), (37665, 536248), (37944, 532305), (39430, 512244), (41310, 488932), (42687, 473160), (47316, 426870), (47430, 425844), (50220, 402186), (55080, 366699), (56916, 354870), (59145, 341496), (60264, 335155), (63240, 319383), (67031, 301320), (70974, 284580), (71145, 283896), (75330, 268124), (78860, 256122), (82620, 244466), (85374, 236580), (94632, 213435), (94860, 212922), (100440, 201093), (106461, 189720), (113832, 177435), (118290, 170748), (122233, 165240), (128061, 157720), (134062, 150660), (141948, 142290)]