20808707584

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{709}}^1$

素因数の和:1184

約数の個数: 160

約数和(自身を含む): 50203929600

約数和(自身を除く): 29395222016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 431, 448, 512, 532, 608, 709, 862, 896, 1064, 1216, 1418, 1724, 1792, 2128, 2432, 2836, 3017, 3448, 3584, 4256, 4864, 4963, 5672, 6034, 6896, 8189, 8512, 9728, 9926, 11344, 12068, 13471, 13792, 16378, 17024, 19852, 22688, 24136, 26942, 27584, 32756, 34048, 39704, 45376, 48272, 53884, 55168, 57323, 65512, 68096, 79408, 90752, 94297, 96544, 107768, 110336, 114646, 131024, 158816, 181504, 188594, 193088, 215536, 220672, 229292, 262048, 305579, 317632, 363008, 377188, 386176, 431072, 458584, 524096, 611158, 635264, 754376, 772352, 862144, 917168, 1048192, 1222316, 1270528, 1508752, 1544704, 1724288, 1834336, 2096384, 2139053, 2444632, 2541056, 3017504, 3448576, 3668672, 4192768, 4278106, 4889264, 5806001, 6035008, 6897152, 7337344, 8556212, 9778528, 11612002, 12070016, 14674688, 17112424, 19557056, 23224004, 24140032, 29349376, 34224848, 39114112, 40642007, 46448008, 48280064, 68449696, 78228224, 81284014, 92896016, 136899392, 156456448, 162568028, 185792032, 273798784, 325136056, 371584064, 547597568, 650272112, 743168128, 1095195136, 1300544224, 1486336256, 2601088448, 2972672512, 5202176896, 10404353792, 20808707584]

約数ペア:

[(1, 20808707584), (2, 10404353792), (4, 5202176896), (7, 2972672512), (8, 2601088448), (14, 1486336256), (16, 1300544224), (19, 1095195136), (28, 743168128), (32, 650272112), (38, 547597568), (56, 371584064), (64, 325136056), (76, 273798784), (112, 185792032), (128, 162568028), (133, 156456448), (152, 136899392), (224, 92896016), (256, 81284014), (266, 78228224), (304, 68449696), (431, 48280064), (448, 46448008), (512, 40642007), (532, 39114112), (608, 34224848), (709, 29349376), (862, 24140032), (896, 23224004), (1064, 19557056), (1216, 17112424), (1418, 14674688), (1724, 12070016), (1792, 11612002), (2128, 9778528), (2432, 8556212), (2836, 7337344), (3017, 6897152), (3448, 6035008), (3584, 5806001), (4256, 4889264), (4864, 4278106), (4963, 4192768), (5672, 3668672), (6034, 3448576), (6896, 3017504), (8189, 2541056), (8512, 2444632), (9728, 2139053), (9926, 2096384), (11344, 1834336), (12068, 1724288), (13471, 1544704), (13792, 1508752), (16378, 1270528), (17024, 1222316), (19852, 1048192), (22688, 917168), (24136, 862144), (26942, 772352), (27584, 754376), (32756, 635264), (34048, 611158), (39704, 524096), (45376, 458584), (48272, 431072), (53884, 386176), (55168, 377188), (57323, 363008), (65512, 317632), (68096, 305579), (79408, 262048), (90752, 229292), (94297, 220672), (96544, 215536), (107768, 193088), (110336, 188594), (114646, 181504), (131024, 158816)]