20485767168

素因数分解:

$2^{18}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 228

約数和(自身を含む): 62432095960

約数和(自身を除く): 41946328792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 457, 512, 576, 608, 684, 768, 912, 914, 1024, 1152, 1216, 1368, 1371, 1536, 1824, 1828, 2048, 2304, 2432, 2736, 2742, 3072, 3648, 3656, 4096, 4113, 4608, 4864, 5472, 5484, 6144, 7296, 7312, 8192, 8226, 8683, 9216, 9728, 10944, 10968, 12288, 14592, 14624, 16384, 16452, 17366, 18432, 19456, 21888, 21936, 24576, 26049, 29184, 29248, 32768, 32904, 34732, 36864, 38912, 43776, 43872, 49152, 52098, 58368, 58496, 65536, 65808, 69464, 73728, 77824, 78147, 87552, 87744, 98304, 104196, 116736, 116992, 131072, 131616, 138928, 147456, 155648, 156294, 175104, 175488, 196608, 208392, 233472, 233984, 262144, 263232, 277856, 294912, 311296, 312588, 350208, 350976, 393216, 416784, 466944, 467968, 526464, 555712, 589824, 622592, 625176, 700416, 701952, 786432, 833568, 933888, 935936, 1052928, 1111424, 1179648, 1245184, 1250352, 1400832, 1403904, 1667136, 1867776, 1871872, 2105856, 2222848, 2359296, 2490368, 2500704, 2801664, 2807808, 3334272, 3735552, 3743744, 4211712, 4445696, 4980736, 5001408, 5603328, 5615616, 6668544, 7471104, 7487488, 8423424, 8891392, 10002816, 11206656, 11231232, 13337088, 14942208, 14974976, 16846848, 17782784, 20005632, 22413312, 22462464, 26674176, 29949952, 33693696, 35565568, 40011264, 44826624, 44924928, 53348352, 59899904, 67387392, 71131136, 80022528, 89849856, 106696704, 119799808, 134774784, 142262272, 160045056, 179699712, 213393408, 269549568, 284524544, 320090112, 359399424, 426786816, 539099136, 569049088, 640180224, 853573632, 1078198272, 1138098176, 1280360448, 1707147264, 2276196352, 2560720896, 3414294528, 5121441792, 6828589056, 10242883584, 20485767168]

約数ペア:

[(1, 20485767168), (2, 10242883584), (3, 6828589056), (4, 5121441792), (6, 3414294528), (8, 2560720896), (9, 2276196352), (12, 1707147264), (16, 1280360448), (18, 1138098176), (19, 1078198272), (24, 853573632), (32, 640180224), (36, 569049088), (38, 539099136), (48, 426786816), (57, 359399424), (64, 320090112), (72, 284524544), (76, 269549568), (96, 213393408), (114, 179699712), (128, 160045056), (144, 142262272), (152, 134774784), (171, 119799808), (192, 106696704), (228, 89849856), (256, 80022528), (288, 71131136), (304, 67387392), (342, 59899904), (384, 53348352), (456, 44924928), (457, 44826624), (512, 40011264), (576, 35565568), (608, 33693696), (684, 29949952), (768, 26674176), (912, 22462464), (914, 22413312), (1024, 20005632), (1152, 17782784), (1216, 16846848), (1368, 14974976), (1371, 14942208), (1536, 13337088), (1824, 11231232), (1828, 11206656), (2048, 10002816), (2304, 8891392), (2432, 8423424), (2736, 7487488), (2742, 7471104), (3072, 6668544), (3648, 5615616), (3656, 5603328), (4096, 5001408), (4113, 4980736), (4608, 4445696), (4864, 4211712), (5472, 3743744), (5484, 3735552), (6144, 3334272), (7296, 2807808), (7312, 2801664), (8192, 2500704), (8226, 2490368), (8683, 2359296), (9216, 2222848), (9728, 2105856), (10944, 1871872), (10968, 1867776), (12288, 1667136), (14592, 1403904), (14624, 1400832), (16384, 1250352), (16452, 1245184), (17366, 1179648), (18432, 1111424), (19456, 1052928), (21888, 935936), (21936, 933888), (24576, 833568), (26049, 786432), (29184, 701952), (29248, 700416), (32768, 625176), (32904, 622592), (34732, 589824), (36864, 555712), (38912, 526464), (43776, 467968), (43872, 466944), (49152, 416784), (52098, 393216), (58368, 350976), (58496, 350208), (65536, 312588), (65808, 311296), (69464, 294912), (73728, 277856), (77824, 263232), (78147, 262144), (87552, 233984), (87744, 233472), (98304, 208392), (104196, 196608), (116736, 175488), (116992, 175104), (131072, 156294), (131616, 155648), (138928, 147456)]