20808927072

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2011}}^1$

素因数の和:2138

約数の個数: 288

約数和(自身を含む): 65385815040

約数和(自身を除く): 44576887968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 61, 62, 72, 76, 93, 96, 114, 122, 124, 144, 152, 171, 183, 186, 228, 244, 248, 279, 288, 304, 342, 366, 372, 456, 488, 496, 549, 558, 589, 608, 684, 732, 744, 912, 976, 992, 1098, 1116, 1159, 1178, 1368, 1464, 1488, 1767, 1824, 1891, 1952, 2011, 2196, 2232, 2318, 2356, 2736, 2928, 2976, 3477, 3534, 3782, 4022, 4392, 4464, 4636, 4712, 5301, 5472, 5673, 5856, 6033, 6954, 7068, 7564, 8044, 8784, 8928, 9272, 9424, 10431, 10602, 11346, 12066, 13908, 14136, 15128, 16088, 17019, 17568, 18099, 18544, 18848, 20862, 21204, 22692, 24132, 27816, 28272, 30256, 32176, 34038, 35929, 36198, 37088, 38209, 41724, 42408, 45384, 48264, 55632, 56544, 60512, 62341, 64352, 68076, 71858, 72396, 76418, 83448, 84816, 90768, 96528, 107787, 111264, 114627, 122671, 124682, 136152, 143716, 144792, 152836, 166896, 169632, 181536, 187023, 193056, 215574, 229254, 245342, 249364, 272304, 287432, 289584, 305672, 323361, 333792, 343881, 368013, 374046, 431148, 458508, 490684, 498728, 544608, 561069, 574864, 579168, 611344, 646722, 687762, 736026, 748092, 862296, 917016, 981368, 997456, 1104039, 1122138, 1149728, 1184479, 1222688, 1293444, 1375524, 1472052, 1496184, 1724592, 1834032, 1962736, 1994912, 2208078, 2244276, 2330749, 2368958, 2586888, 2751048, 2944104, 2992368, 3449184, 3553437, 3668064, 3802801, 3925472, 4416156, 4488552, 4661498, 4737916, 5173776, 5502096, 5888208, 5984736, 6992247, 7106874, 7605602, 8832312, 8977104, 9322996, 9475832, 10347552, 10660311, 11004192, 11408403, 11776416, 13984494, 14213748, 15211204, 17664624, 17954208, 18645992, 18951664, 20976741, 21320622, 22816806, 27968988, 28427496, 30422408, 34225209, 35329248, 37291984, 37903328, 41953482, 42641244, 45633612, 55937976, 56854992, 60844816, 68450418, 72253219, 74583968, 83906964, 85282488, 91267224, 111875952, 113709984, 121689632, 136900836, 144506438, 167813928, 170564976, 182534448, 216759657, 223751904, 273801672, 289012876, 335627856, 341129952, 365068896, 433519314, 547603344, 578025752, 650278971, 671255712, 867038628, 1095206688, 1156051504, 1300557942, 1734077256, 2312103008, 2601115884, 3468154512, 5202231768, 6936309024, 10404463536, 20808927072]

約数ペア:

[(1, 20808927072), (2, 10404463536), (3, 6936309024), (4, 5202231768), (6, 3468154512), (8, 2601115884), (9, 2312103008), (12, 1734077256), (16, 1300557942), (18, 1156051504), (19, 1095206688), (24, 867038628), (31, 671255712), (32, 650278971), (36, 578025752), (38, 547603344), (48, 433519314), (57, 365068896), (61, 341129952), (62, 335627856), (72, 289012876), (76, 273801672), (93, 223751904), (96, 216759657), (114, 182534448), (122, 170564976), (124, 167813928), (144, 144506438), (152, 136900836), (171, 121689632), (183, 113709984), (186, 111875952), (228, 91267224), (244, 85282488), (248, 83906964), (279, 74583968), (288, 72253219), (304, 68450418), (342, 60844816), (366, 56854992), (372, 55937976), (456, 45633612), (488, 42641244), (496, 41953482), (549, 37903328), (558, 37291984), (589, 35329248), (608, 34225209), (684, 30422408), (732, 28427496), (744, 27968988), (912, 22816806), (976, 21320622), (992, 20976741), (1098, 18951664), (1116, 18645992), (1159, 17954208), (1178, 17664624), (1368, 15211204), (1464, 14213748), (1488, 13984494), (1767, 11776416), (1824, 11408403), (1891, 11004192), (1952, 10660311), (2011, 10347552), (2196, 9475832), (2232, 9322996), (2318, 8977104), (2356, 8832312), (2736, 7605602), (2928, 7106874), (2976, 6992247), (3477, 5984736), (3534, 5888208), (3782, 5502096), (4022, 5173776), (4392, 4737916), (4464, 4661498), (4636, 4488552), (4712, 4416156), (5301, 3925472), (5472, 3802801), (5673, 3668064), (5856, 3553437), (6033, 3449184), (6954, 2992368), (7068, 2944104), (7564, 2751048), (8044, 2586888), (8784, 2368958), (8928, 2330749), (9272, 2244276), (9424, 2208078), (10431, 1994912), (10602, 1962736), (11346, 1834032), (12066, 1724592), (13908, 1496184), (14136, 1472052), (15128, 1375524), (16088, 1293444), (17019, 1222688), (17568, 1184479), (18099, 1149728), (18544, 1122138), (18848, 1104039), (20862, 997456), (21204, 981368), (22692, 917016), (24132, 862296), (27816, 748092), (28272, 736026), (30256, 687762), (32176, 646722), (34038, 611344), (35929, 579168), (36198, 574864), (37088, 561069), (38209, 544608), (41724, 498728), (42408, 490684), (45384, 458508), (48264, 431148), (55632, 374046), (56544, 368013), (60512, 343881), (62341, 333792), (64352, 323361), (68076, 305672), (71858, 289584), (72396, 287432), (76418, 272304), (83448, 249364), (84816, 245342), (90768, 229254), (96528, 215574), (107787, 193056), (111264, 187023), (114627, 181536), (122671, 169632), (124682, 166896), (136152, 152836), (143716, 144792)]