20784902320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 480

約数和(自身を含む): 63835914240

約数和(自身を除く): 43051011920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 59, 62, 65, 70, 80, 91, 98, 104, 112, 118, 124, 130, 140, 155, 182, 196, 208, 217, 223, 236, 245, 248, 260, 280, 295, 310, 364, 392, 403, 413, 434, 446, 455, 472, 490, 496, 520, 560, 590, 620, 637, 728, 767, 784, 806, 826, 868, 892, 910, 944, 980, 1040, 1085, 1115, 1180, 1240, 1274, 1456, 1519, 1534, 1561, 1612, 1652, 1736, 1784, 1820, 1829, 1960, 2015, 2065, 2170, 2230, 2360, 2480, 2548, 2821, 2891, 2899, 3038, 3068, 3122, 3185, 3224, 3304, 3472, 3568, 3640, 3658, 3835, 3920, 4030, 4130, 4340, 4460, 4720, 5096, 5369, 5642, 5782, 5798, 6076, 6136, 6244, 6370, 6448, 6608, 6913, 7280, 7316, 7595, 7670, 7805, 8060, 8260, 8680, 8920, 9145, 10192, 10738, 10927, 11284, 11564, 11596, 12152, 12272, 12488, 12740, 12803, 13157, 13826, 14105, 14455, 14495, 14632, 15190, 15340, 15610, 16120, 16520, 17360, 17840, 18290, 19747, 20293, 21476, 21854, 22568, 23128, 23192, 23777, 24304, 24976, 25480, 25606, 26314, 26845, 27652, 28210, 28910, 28990, 29264, 30380, 30680, 31220, 32240, 33040, 34565, 36580, 37583, 39494, 40586, 42952, 43708, 45136, 46256, 46384, 47554, 48391, 50960, 51212, 52628, 53690, 54635, 55304, 56420, 57820, 57980, 60760, 61360, 62440, 64015, 65785, 69130, 73160, 75166, 78988, 81172, 85904, 87416, 89621, 89869, 92099, 95108, 96782, 98735, 101465, 102424, 105256, 107380, 109270, 110608, 112840, 115640, 115960, 118885, 121520, 124880, 128030, 131570, 138260, 142051, 146320, 150332, 157976, 162344, 166439, 171041, 174832, 179242, 179738, 184198, 187915, 190216, 193564, 197470, 202930, 204848, 210512, 214760, 218540, 225680, 231280, 231920, 237770, 241955, 256060, 263140, 276520, 284102, 300664, 315952, 324688, 332878, 338737, 342082, 358484, 359476, 368396, 375830, 380432, 387128, 394940, 405860, 407867, 429520, 437080, 448105, 449345, 460495, 475540, 483910, 512120, 526280, 553040, 568204, 601328, 629083, 644693, 665756, 677474, 684164, 710255, 716968, 718952, 736792, 751660, 774256, 789880, 811720, 815734, 832195, 855205, 874160, 896210, 898690, 920990, 951080, 967820, 1024240, 1052560, 1136408, 1165073, 1197287, 1258166, 1289386, 1331512, 1354948, 1368328, 1420510, 1433936, 1437904, 1473584, 1503320, 1579760, 1623440, 1631468, 1664390, 1693685, 1710410, 1792420, 1797380, 1841980, 1902160, 1935640, 2039335, 2272816, 2330146, 2394574, 2516332, 2578772, 2663024, 2709896, 2736656, 2841020, 2855069, 3006640, 3145415, 3223465, 3262936, 3328780, 3387370, 3420820, 3584840, 3594760, 3683960, 3871280, 4078670, 4403581, 4660292, 4789148, 5032664, 5157544, 5302271, 5419792, 5682040, 5710138, 5825365, 5986435, 6290830, 6446930, 6525872, 6657560, 6774740, 6841640, 7169680, 7189520, 7367920, 8157340, 8381009, 8807162, 9320584, 9578296, 10065328, 10315088, 10604542, 11364080, 11420276, 11650730, 11972870, 12581660, 12893860, 13315120, 13549480, 13683280, 14275345, 16314680, 16762018, 17614324, 18641168, 19156592, 19985483, 21209084, 22017905, 22840552, 23301460, 23945740, 25163320, 25787720, 26511355, 27098960, 28550690, 32629360, 33524036, 35228648, 37115897, 39970966, 41905045, 42418168, 44035810, 45681104, 46602920, 47891480, 50326640, 51575440, 53022710, 57101380, 67048072, 70457296, 74231794, 79941932, 83810090, 84836336, 88071620, 93205840, 95782960, 99927415, 106045420, 114202760, 134096144, 148463588, 159883864, 167620180, 176143240, 185579485, 199854830, 212090840, 228405520, 259811279, 296927176, 319767728, 335240360, 352286480, 371158970, 399709660, 424181680, 519622558, 593854352, 670480720, 742317940, 799419320, 1039245116, 1299056395, 1484635880, 1598838640, 2078490232, 2598112790, 2969271760, 4156980464, 5196225580, 10392451160, 20784902320]

約数ペア:

[(1, 20784902320), (2, 10392451160), (4, 5196225580), (5, 4156980464), (7, 2969271760), (8, 2598112790), (10, 2078490232), (13, 1598838640), (14, 1484635880), (16, 1299056395), (20, 1039245116), (26, 799419320), (28, 742317940), (31, 670480720), (35, 593854352), (40, 519622558), (49, 424181680), (52, 399709660), (56, 371158970), (59, 352286480), (62, 335240360), (65, 319767728), (70, 296927176), (80, 259811279), (91, 228405520), (98, 212090840), (104, 199854830), (112, 185579485), (118, 176143240), (124, 167620180), (130, 159883864), (140, 148463588), (155, 134096144), (182, 114202760), (196, 106045420), (208, 99927415), (217, 95782960), (223, 93205840), (236, 88071620), (245, 84836336), (248, 83810090), (260, 79941932), (280, 74231794), (295, 70457296), (310, 67048072), (364, 57101380), (392, 53022710), (403, 51575440), (413, 50326640), (434, 47891480), (446, 46602920), (455, 45681104), (472, 44035810), (490, 42418168), (496, 41905045), (520, 39970966), (560, 37115897), (590, 35228648), (620, 33524036), (637, 32629360), (728, 28550690), (767, 27098960), (784, 26511355), (806, 25787720), (826, 25163320), (868, 23945740), (892, 23301460), (910, 22840552), (944, 22017905), (980, 21209084), (1040, 19985483), (1085, 19156592), (1115, 18641168), (1180, 17614324), (1240, 16762018), (1274, 16314680), (1456, 14275345), (1519, 13683280), (1534, 13549480), (1561, 13315120), (1612, 12893860), (1652, 12581660), (1736, 11972870), (1784, 11650730), (1820, 11420276), (1829, 11364080), (1960, 10604542), (2015, 10315088), (2065, 10065328), (2170, 9578296), (2230, 9320584), (2360, 8807162), (2480, 8381009), (2548, 8157340), (2821, 7367920), (2891, 7189520), (2899, 7169680), (3038, 6841640), (3068, 6774740), (3122, 6657560), (3185, 6525872), (3224, 6446930), (3304, 6290830), (3472, 5986435), (3568, 5825365), (3640, 5710138), (3658, 5682040), (3835, 5419792), (3920, 5302271), (4030, 5157544), (4130, 5032664), (4340, 4789148), (4460, 4660292), (4720, 4403581), (5096, 4078670), (5369, 3871280), (5642, 3683960), (5782, 3594760), (5798, 3584840), (6076, 3420820), (6136, 3387370), (6244, 3328780), (6370, 3262936), (6448, 3223465), (6608, 3145415), (6913, 3006640), (7280, 2855069), (7316, 2841020), (7595, 2736656), (7670, 2709896), (7805, 2663024), (8060, 2578772), (8260, 2516332), (8680, 2394574), (8920, 2330146), (9145, 2272816), (10192, 2039335), (10738, 1935640), (10927, 1902160), (11284, 1841980), (11564, 1797380), (11596, 1792420), (12152, 1710410), (12272, 1693685), (12488, 1664390), (12740, 1631468), (12803, 1623440), (13157, 1579760), (13826, 1503320), (14105, 1473584), (14455, 1437904), (14495, 1433936), (14632, 1420510), (15190, 1368328), (15340, 1354948), (15610, 1331512), (16120, 1289386), (16520, 1258166), (17360, 1197287), (17840, 1165073), (18290, 1136408), (19747, 1052560), (20293, 1024240), (21476, 967820), (21854, 951080), (22568, 920990), (23128, 898690), (23192, 896210), (23777, 874160), (24304, 855205), (24976, 832195), (25480, 815734), (25606, 811720), (26314, 789880), (26845, 774256), (27652, 751660), (28210, 736792), (28910, 718952), (28990, 716968), (29264, 710255), (30380, 684164), (30680, 677474), (31220, 665756), (32240, 644693), (33040, 629083), (34565, 601328), (36580, 568204), (37583, 553040), (39494, 526280), (40586, 512120), (42952, 483910), (43708, 475540), (45136, 460495), (46256, 449345), (46384, 448105), (47554, 437080), (48391, 429520), (50960, 407867), (51212, 405860), (52628, 394940), (53690, 387128), (54635, 380432), (55304, 375830), (56420, 368396), (57820, 359476), (57980, 358484), (60760, 342082), (61360, 338737), (62440, 332878), (64015, 324688), (65785, 315952), (69130, 300664), (73160, 284102), (75166, 276520), (78988, 263140), (81172, 256060), (85904, 241955), (87416, 237770), (89621, 231920), (89869, 231280), (92099, 225680), (95108, 218540), (96782, 214760), (98735, 210512), (101465, 204848), (102424, 202930), (105256, 197470), (107380, 193564), (109270, 190216), (110608, 187915), (112840, 184198), (115640, 179738), (115960, 179242), (118885, 174832), (121520, 171041), (124880, 166439), (128030, 162344), (131570, 157976), (138260, 150332), (142051, 146320)]