20140337920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:551

約数の個数: 288

約数和(自身を含む): 53580925440

約数和(自身を除く): 33440587520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 73, 80, 85, 124, 128, 136, 146, 155, 160, 170, 248, 256, 272, 292, 310, 320, 340, 365, 409, 496, 527, 544, 584, 620, 640, 680, 730, 818, 992, 1054, 1088, 1168, 1240, 1241, 1280, 1360, 1460, 1636, 1984, 2045, 2108, 2176, 2263, 2336, 2480, 2482, 2635, 2720, 2920, 3272, 3968, 4090, 4216, 4352, 4526, 4672, 4960, 4964, 5270, 5440, 5840, 6205, 6544, 6953, 7936, 8180, 8432, 9052, 9344, 9920, 9928, 10540, 10880, 11315, 11680, 12410, 12679, 13088, 13906, 16360, 16864, 18104, 18688, 19840, 19856, 21080, 21760, 22630, 23360, 24820, 25358, 26176, 27812, 29857, 32720, 33728, 34765, 36208, 38471, 39680, 39712, 42160, 45260, 46720, 49640, 50716, 52352, 55624, 59714, 63395, 65440, 67456, 69530, 72416, 76942, 79424, 84320, 90520, 93440, 99280, 101432, 104704, 111248, 119428, 126790, 130880, 134912, 139060, 144832, 149285, 153884, 158848, 168640, 181040, 192355, 198560, 202864, 215543, 222496, 238856, 253580, 261760, 278120, 289664, 298570, 307768, 317696, 337280, 362080, 384710, 397120, 405728, 431086, 444992, 477712, 507160, 507569, 523520, 556240, 579328, 597140, 615536, 674560, 724160, 769420, 794240, 811456, 862172, 889984, 925567, 955424, 1014320, 1015138, 1077715, 1112480, 1194280, 1231072, 1448320, 1538840, 1588480, 1622912, 1724344, 1779968, 1851134, 1910848, 2028640, 2030276, 2155430, 2224960, 2388560, 2462144, 2537845, 2896640, 3077680, 3245824, 3448688, 3702268, 3821696, 4057280, 4060552, 4310860, 4449920, 4627835, 4777120, 4924288, 5075690, 6155360, 6897376, 7404536, 7643392, 8114560, 8121104, 8621720, 8899840, 9255670, 9554240, 9848576, 10151380, 12310720, 13794752, 14809072, 15734639, 16229120, 16242208, 17243440, 18511340, 19108480, 20302760, 24621440, 27589504, 29618144, 31469278, 32484416, 34486880, 37022680, 38216960, 40605520, 49242880, 55179008, 59236288, 62938556, 64968832, 68973760, 74045360, 78673195, 81211040, 118472576, 125877112, 129937664, 137947520, 148090720, 157346390, 162422080, 236945152, 251754224, 275895040, 296181440, 314692780, 324844160, 503508448, 592362880, 629385560, 649688320, 1007016896, 1184725760, 1258771120, 2014033792, 2517542240, 4028067584, 5035084480, 10070168960, 20140337920]

約数ペア:

[(1, 20140337920), (2, 10070168960), (4, 5035084480), (5, 4028067584), (8, 2517542240), (10, 2014033792), (16, 1258771120), (17, 1184725760), (20, 1007016896), (31, 649688320), (32, 629385560), (34, 592362880), (40, 503508448), (62, 324844160), (64, 314692780), (68, 296181440), (73, 275895040), (80, 251754224), (85, 236945152), (124, 162422080), (128, 157346390), (136, 148090720), (146, 137947520), (155, 129937664), (160, 125877112), (170, 118472576), (248, 81211040), (256, 78673195), (272, 74045360), (292, 68973760), (310, 64968832), (320, 62938556), (340, 59236288), (365, 55179008), (409, 49242880), (496, 40605520), (527, 38216960), (544, 37022680), (584, 34486880), (620, 32484416), (640, 31469278), (680, 29618144), (730, 27589504), (818, 24621440), (992, 20302760), (1054, 19108480), (1088, 18511340), (1168, 17243440), (1240, 16242208), (1241, 16229120), (1280, 15734639), (1360, 14809072), (1460, 13794752), (1636, 12310720), (1984, 10151380), (2045, 9848576), (2108, 9554240), (2176, 9255670), (2263, 8899840), (2336, 8621720), (2480, 8121104), (2482, 8114560), (2635, 7643392), (2720, 7404536), (2920, 6897376), (3272, 6155360), (3968, 5075690), (4090, 4924288), (4216, 4777120), (4352, 4627835), (4526, 4449920), (4672, 4310860), (4960, 4060552), (4964, 4057280), (5270, 3821696), (5440, 3702268), (5840, 3448688), (6205, 3245824), (6544, 3077680), (6953, 2896640), (7936, 2537845), (8180, 2462144), (8432, 2388560), (9052, 2224960), (9344, 2155430), (9920, 2030276), (9928, 2028640), (10540, 1910848), (10880, 1851134), (11315, 1779968), (11680, 1724344), (12410, 1622912), (12679, 1588480), (13088, 1538840), (13906, 1448320), (16360, 1231072), (16864, 1194280), (18104, 1112480), (18688, 1077715), (19840, 1015138), (19856, 1014320), (21080, 955424), (21760, 925567), (22630, 889984), (23360, 862172), (24820, 811456), (25358, 794240), (26176, 769420), (27812, 724160), (29857, 674560), (32720, 615536), (33728, 597140), (34765, 579328), (36208, 556240), (38471, 523520), (39680, 507569), (39712, 507160), (42160, 477712), (45260, 444992), (46720, 431086), (49640, 405728), (50716, 397120), (52352, 384710), (55624, 362080), (59714, 337280), (63395, 317696), (65440, 307768), (67456, 298570), (69530, 289664), (72416, 278120), (76942, 261760), (79424, 253580), (84320, 238856), (90520, 222496), (93440, 215543), (99280, 202864), (101432, 198560), (104704, 192355), (111248, 181040), (119428, 168640), (126790, 158848), (130880, 153884), (134912, 149285), (139060, 144832)]