20478927168

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89107}}^1$

素因数の和:89154

約数の個数: 224

約数和(自身を含む): 72426982400

約数和(自身を除く): 51948055232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 64, 72, 76, 84, 96, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 192, 216, 224, 228, 252, 266, 288, 304, 336, 342, 378, 399, 432, 448, 456, 504, 513, 532, 576, 608, 672, 684, 756, 798, 864, 912, 1008, 1026, 1064, 1197, 1216, 1344, 1368, 1512, 1596, 1728, 1824, 2016, 2052, 2128, 2394, 2736, 3024, 3192, 3591, 3648, 4032, 4104, 4256, 4788, 5472, 6048, 6384, 7182, 8208, 8512, 9576, 10944, 12096, 12768, 14364, 16416, 19152, 25536, 28728, 32832, 38304, 57456, 76608, 89107, 114912, 178214, 229824, 267321, 356428, 534642, 623749, 712856, 801963, 1069284, 1247498, 1425712, 1603926, 1693033, 1871247, 2138568, 2405889, 2494996, 2851424, 3207852, 3386066, 3742494, 4277136, 4811778, 4989992, 5079099, 5613741, 5702848, 6415704, 6772132, 7484988, 8554272, 9623556, 9979984, 10158198, 11227482, 11851231, 12831408, 13544264, 14969976, 15237297, 16841223, 17108544, 19247112, 19959968, 20316396, 22454964, 23702462, 25662816, 27088528, 29939952, 30474594, 33682446, 35553693, 38494224, 39919936, 40632792, 44909928, 45711891, 47404924, 51325632, 54177056, 59879904, 60949188, 67364892, 71107386, 76988448, 81265584, 89819856, 91423782, 94809848, 106661079, 108354112, 119759808, 121898376, 134729784, 142214772, 153976896, 162531168, 179639712, 182847564, 189619696, 213322158, 243796752, 269459568, 284429544, 319983237, 325062336, 359279424, 365695128, 379239392, 426644316, 487593504, 538919136, 568859088, 639966474, 731390256, 758478784, 853288632, 975187008, 1077838272, 1137718176, 1279932948, 1462780512, 1706577264, 2275436352, 2559865896, 2925561024, 3413154528, 5119731792, 6826309056, 10239463584, 20478927168]

約数ペア:

[(1, 20478927168), (2, 10239463584), (3, 6826309056), (4, 5119731792), (6, 3413154528), (7, 2925561024), (8, 2559865896), (9, 2275436352), (12, 1706577264), (14, 1462780512), (16, 1279932948), (18, 1137718176), (19, 1077838272), (21, 975187008), (24, 853288632), (27, 758478784), (28, 731390256), (32, 639966474), (36, 568859088), (38, 538919136), (42, 487593504), (48, 426644316), (54, 379239392), (56, 365695128), (57, 359279424), (63, 325062336), (64, 319983237), (72, 284429544), (76, 269459568), (84, 243796752), (96, 213322158), (108, 189619696), (112, 182847564), (114, 179639712), (126, 162531168), (133, 153976896), (144, 142214772), (152, 134729784), (168, 121898376), (171, 119759808), (189, 108354112), (192, 106661079), (216, 94809848), (224, 91423782), (228, 89819856), (252, 81265584), (266, 76988448), (288, 71107386), (304, 67364892), (336, 60949188), (342, 59879904), (378, 54177056), (399, 51325632), (432, 47404924), (448, 45711891), (456, 44909928), (504, 40632792), (513, 39919936), (532, 38494224), (576, 35553693), (608, 33682446), (672, 30474594), (684, 29939952), (756, 27088528), (798, 25662816), (864, 23702462), (912, 22454964), (1008, 20316396), (1026, 19959968), (1064, 19247112), (1197, 17108544), (1216, 16841223), (1344, 15237297), (1368, 14969976), (1512, 13544264), (1596, 12831408), (1728, 11851231), (1824, 11227482), (2016, 10158198), (2052, 9979984), (2128, 9623556), (2394, 8554272), (2736, 7484988), (3024, 6772132), (3192, 6415704), (3591, 5702848), (3648, 5613741), (4032, 5079099), (4104, 4989992), (4256, 4811778), (4788, 4277136), (5472, 3742494), (6048, 3386066), (6384, 3207852), (7182, 2851424), (8208, 2494996), (8512, 2405889), (9576, 2138568), (10944, 1871247), (12096, 1693033), (12768, 1603926), (14364, 1425712), (16416, 1247498), (19152, 1069284), (25536, 801963), (28728, 712856), (32832, 623749), (38304, 534642), (57456, 356428), (76608, 267321), (89107, 229824), (114912, 178214)]