20955648672

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67939}}^1$

素因数の和:67985

約数の個数: 240

約数和(自身を含む): 74578553280

約数和(自身を除く): 53622904608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 81, 84, 96, 102, 108, 112, 119, 126, 136, 144, 153, 162, 168, 189, 204, 216, 224, 238, 252, 272, 288, 306, 324, 336, 357, 378, 408, 432, 459, 476, 504, 544, 567, 612, 648, 672, 714, 756, 816, 864, 918, 952, 1008, 1071, 1134, 1224, 1296, 1377, 1428, 1512, 1632, 1836, 1904, 2016, 2142, 2268, 2448, 2592, 2754, 2856, 3024, 3213, 3672, 3808, 4284, 4536, 4896, 5508, 5712, 6048, 6426, 7344, 8568, 9072, 9639, 11016, 11424, 12852, 14688, 17136, 18144, 19278, 22032, 25704, 34272, 38556, 44064, 51408, 67939, 77112, 102816, 135878, 154224, 203817, 271756, 308448, 407634, 475573, 543512, 611451, 815268, 951146, 1087024, 1154963, 1222902, 1426719, 1630536, 1834353, 1902292, 2174048, 2309926, 2445804, 2853438, 3261072, 3464889, 3668706, 3804584, 4280157, 4619852, 4891608, 5503059, 5706876, 6522144, 6929778, 7337412, 7609168, 8084741, 8560314, 9239704, 9783216, 10394667, 11006118, 11413752, 12840471, 13859556, 14674824, 15218336, 16169482, 17120628, 18479408, 19566432, 20789334, 22012236, 22827504, 24254223, 25680942, 27719112, 29349648, 31184001, 32338964, 34241256, 36958816, 38521413, 41578668, 44024472, 45655008, 48508446, 51361884, 55438224, 58699296, 62368002, 64677928, 68482512, 72762669, 77042826, 83157336, 88048944, 93552003, 97016892, 102723768, 110876448, 124736004, 129355856, 136965024, 145525338, 154085652, 166314672, 176097888, 187104006, 194033784, 205447536, 218288007, 249472008, 258711712, 291050676, 308171304, 332629344, 374208012, 388067568, 410895072, 436576014, 498944016, 582101352, 616342608, 654864021, 748416024, 776135136, 873152028, 997888032, 1164202704, 1232685216, 1309728042, 1496832048, 1746304056, 2328405408, 2619456084, 2993664096, 3492608112, 5238912168, 6985216224, 10477824336, 20955648672]

約数ペア:

[(1, 20955648672), (2, 10477824336), (3, 6985216224), (4, 5238912168), (6, 3492608112), (7, 2993664096), (8, 2619456084), (9, 2328405408), (12, 1746304056), (14, 1496832048), (16, 1309728042), (17, 1232685216), (18, 1164202704), (21, 997888032), (24, 873152028), (27, 776135136), (28, 748416024), (32, 654864021), (34, 616342608), (36, 582101352), (42, 498944016), (48, 436576014), (51, 410895072), (54, 388067568), (56, 374208012), (63, 332629344), (68, 308171304), (72, 291050676), (81, 258711712), (84, 249472008), (96, 218288007), (102, 205447536), (108, 194033784), (112, 187104006), (119, 176097888), (126, 166314672), (136, 154085652), (144, 145525338), (153, 136965024), (162, 129355856), (168, 124736004), (189, 110876448), (204, 102723768), (216, 97016892), (224, 93552003), (238, 88048944), (252, 83157336), (272, 77042826), (288, 72762669), (306, 68482512), (324, 64677928), (336, 62368002), (357, 58699296), (378, 55438224), (408, 51361884), (432, 48508446), (459, 45655008), (476, 44024472), (504, 41578668), (544, 38521413), (567, 36958816), (612, 34241256), (648, 32338964), (672, 31184001), (714, 29349648), (756, 27719112), (816, 25680942), (864, 24254223), (918, 22827504), (952, 22012236), (1008, 20789334), (1071, 19566432), (1134, 18479408), (1224, 17120628), (1296, 16169482), (1377, 15218336), (1428, 14674824), (1512, 13859556), (1632, 12840471), (1836, 11413752), (1904, 11006118), (2016, 10394667), (2142, 9783216), (2268, 9239704), (2448, 8560314), (2592, 8084741), (2754, 7609168), (2856, 7337412), (3024, 6929778), (3213, 6522144), (3672, 5706876), (3808, 5503059), (4284, 4891608), (4536, 4619852), (4896, 4280157), (5508, 3804584), (5712, 3668706), (6048, 3464889), (6426, 3261072), (7344, 2853438), (8568, 2445804), (9072, 2309926), (9639, 2174048), (11016, 1902292), (11424, 1834353), (12852, 1630536), (14688, 1426719), (17136, 1222902), (18144, 1154963), (19278, 1087024), (22032, 951146), (25704, 815268), (34272, 611451), (38556, 543512), (44064, 475573), (51408, 407634), (67939, 308448), (77112, 271756), (102816, 203817), (135878, 154224)]