20912133760

素因数分解:

$2^7\times 5^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 320

約数和(自身を含む): 60340262400

約数和(自身を除く): 39428128640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 343, 392, 434, 439, 448, 490, 496, 560, 620, 640, 686, 784, 868, 878, 896, 980, 992, 1085, 1120, 1240, 1372, 1519, 1568, 1715, 1736, 1756, 1960, 1984, 2170, 2195, 2240, 2401, 2480, 2744, 3038, 3073, 3136, 3430, 3472, 3512, 3920, 3968, 4340, 4390, 4480, 4802, 4960, 5488, 6076, 6146, 6272, 6860, 6944, 7024, 7595, 7840, 8680, 8780, 9604, 9920, 10633, 10976, 12005, 12152, 12292, 13609, 13720, 13888, 14048, 15190, 15365, 15680, 17360, 17560, 19208, 19840, 21266, 21511, 21952, 24010, 24304, 24584, 27218, 27440, 27776, 28096, 30380, 30730, 31360, 34720, 35120, 38416, 42532, 43022, 43904, 48020, 48608, 49168, 53165, 54436, 54880, 56192, 60760, 61460, 68045, 69440, 70240, 74431, 76832, 85064, 86044, 95263, 96040, 97216, 98336, 106330, 107555, 108872, 109760, 121520, 122920, 136090, 138880, 140480, 148862, 150577, 153664, 170128, 172088, 190526, 192080, 194432, 196672, 212660, 215110, 217744, 219520, 243040, 245840, 272180, 280960, 297724, 301154, 307328, 340256, 344176, 372155, 381052, 384160, 393344, 425320, 430220, 435488, 476315, 486080, 491680, 544360, 595448, 602308, 666841, 680512, 688352, 744310, 752885, 762104, 768320, 850640, 860440, 870976, 952630, 972160, 983360, 1054039, 1088720, 1190896, 1204616, 1333682, 1361024, 1376704, 1488620, 1505770, 1524208, 1536640, 1701280, 1720880, 1741952, 1905260, 1966720, 2108078, 2177440, 2381792, 2409232, 2667364, 2753408, 2977240, 3011540, 3048416, 3334205, 3402560, 3441760, 3810520, 4216156, 4354880, 4667887, 4763584, 4818464, 5270195, 5334728, 5954480, 6023080, 6096832, 6668410, 6805120, 6883520, 7621040, 8432312, 8709760, 9335774, 9527168, 9636928, 10540390, 10669456, 11908960, 12046160, 12193664, 13336820, 13767040, 15242080, 16864624, 18671548, 19273856, 21080780, 21338912, 23339435, 23817920, 24092320, 26673640, 30484160, 32675209, 33729248, 37343096, 42161560, 42677824, 46678870, 47635840, 48184640, 53347280, 60968320, 65350418, 67458496, 74686192, 84323120, 85355648, 93357740, 96369280, 106694560, 130700836, 134916992, 149372384, 163376045, 168646240, 186715480, 213389120, 261401672, 298744768, 326752090, 337292480, 373430960, 426778240, 522803344, 597489536, 653504180, 674584960, 746861920, 1045606688, 1307008360, 1493723840, 2091213376, 2614016720, 2987447680, 4182426752, 5228033440, 10456066880, 20912133760]

約数ペア:

[(1, 20912133760), (2, 10456066880), (4, 5228033440), (5, 4182426752), (7, 2987447680), (8, 2614016720), (10, 2091213376), (14, 1493723840), (16, 1307008360), (20, 1045606688), (28, 746861920), (31, 674584960), (32, 653504180), (35, 597489536), (40, 522803344), (49, 426778240), (56, 373430960), (62, 337292480), (64, 326752090), (70, 298744768), (80, 261401672), (98, 213389120), (112, 186715480), (124, 168646240), (128, 163376045), (140, 149372384), (155, 134916992), (160, 130700836), (196, 106694560), (217, 96369280), (224, 93357740), (245, 85355648), (248, 84323120), (280, 74686192), (310, 67458496), (320, 65350418), (343, 60968320), (392, 53347280), (434, 48184640), (439, 47635840), (448, 46678870), (490, 42677824), (496, 42161560), (560, 37343096), (620, 33729248), (640, 32675209), (686, 30484160), (784, 26673640), (868, 24092320), (878, 23817920), (896, 23339435), (980, 21338912), (992, 21080780), (1085, 19273856), (1120, 18671548), (1240, 16864624), (1372, 15242080), (1519, 13767040), (1568, 13336820), (1715, 12193664), (1736, 12046160), (1756, 11908960), (1960, 10669456), (1984, 10540390), (2170, 9636928), (2195, 9527168), (2240, 9335774), (2401, 8709760), (2480, 8432312), (2744, 7621040), (3038, 6883520), (3073, 6805120), (3136, 6668410), (3430, 6096832), (3472, 6023080), (3512, 5954480), (3920, 5334728), (3968, 5270195), (4340, 4818464), (4390, 4763584), (4480, 4667887), (4802, 4354880), (4960, 4216156), (5488, 3810520), (6076, 3441760), (6146, 3402560), (6272, 3334205), (6860, 3048416), (6944, 3011540), (7024, 2977240), (7595, 2753408), (7840, 2667364), (8680, 2409232), (8780, 2381792), (9604, 2177440), (9920, 2108078), (10633, 1966720), (10976, 1905260), (12005, 1741952), (12152, 1720880), (12292, 1701280), (13609, 1536640), (13720, 1524208), (13888, 1505770), (14048, 1488620), (15190, 1376704), (15365, 1361024), (15680, 1333682), (17360, 1204616), (17560, 1190896), (19208, 1088720), (19840, 1054039), (21266, 983360), (21511, 972160), (21952, 952630), (24010, 870976), (24304, 860440), (24584, 850640), (27218, 768320), (27440, 762104), (27776, 752885), (28096, 744310), (30380, 688352), (30730, 680512), (31360, 666841), (34720, 602308), (35120, 595448), (38416, 544360), (42532, 491680), (43022, 486080), (43904, 476315), (48020, 435488), (48608, 430220), (49168, 425320), (53165, 393344), (54436, 384160), (54880, 381052), (56192, 372155), (60760, 344176), (61460, 340256), (68045, 307328), (69440, 301154), (70240, 297724), (74431, 280960), (76832, 272180), (85064, 245840), (86044, 243040), (95263, 219520), (96040, 217744), (97216, 215110), (98336, 212660), (106330, 196672), (107555, 194432), (108872, 192080), (109760, 190526), (121520, 172088), (122920, 170128), (136090, 153664), (138880, 150577), (140480, 148862)]