20321859376

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{8707}}^1$

素因数の和:8971

約数の個数: 120

約数和(自身を含む): 49546255920

約数和(自身を除く): 29224396544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 229, 364, 392, 458, 637, 728, 784, 916, 1274, 1456, 1603, 1832, 2548, 2977, 3206, 3664, 5096, 5954, 6412, 8707, 10192, 11221, 11908, 12824, 17414, 20839, 22442, 23816, 25648, 34828, 41678, 44884, 47632, 60949, 69656, 83356, 89768, 113191, 121898, 139312, 145873, 166712, 179536, 226382, 243796, 291746, 333424, 426643, 452764, 487592, 583492, 792337, 853286, 905528, 975184, 1166984, 1584674, 1706572, 1811056, 1993903, 2333968, 3169348, 3413144, 3987806, 5546359, 6338696, 6826288, 7975612, 11092718, 12677392, 13957321, 15951224, 22185436, 25920739, 27914642, 31902448, 44370872, 51841478, 55829284, 88741744, 97701247, 103682956, 111658568, 181445173, 195402494, 207365912, 223317136, 362890346, 390804988, 414731824, 725780692, 781609976, 1270116211, 1451561384, 1563219952, 2540232422, 2903122768, 5080464844, 10160929688, 20321859376]

約数ペア:

[(1, 20321859376), (2, 10160929688), (4, 5080464844), (7, 2903122768), (8, 2540232422), (13, 1563219952), (14, 1451561384), (16, 1270116211), (26, 781609976), (28, 725780692), (49, 414731824), (52, 390804988), (56, 362890346), (91, 223317136), (98, 207365912), (104, 195402494), (112, 181445173), (182, 111658568), (196, 103682956), (208, 97701247), (229, 88741744), (364, 55829284), (392, 51841478), (458, 44370872), (637, 31902448), (728, 27914642), (784, 25920739), (916, 22185436), (1274, 15951224), (1456, 13957321), (1603, 12677392), (1832, 11092718), (2548, 7975612), (2977, 6826288), (3206, 6338696), (3664, 5546359), (5096, 3987806), (5954, 3413144), (6412, 3169348), (8707, 2333968), (10192, 1993903), (11221, 1811056), (11908, 1706572), (12824, 1584674), (17414, 1166984), (20839, 975184), (22442, 905528), (23816, 853286), (25648, 792337), (34828, 583492), (41678, 487592), (44884, 452764), (47632, 426643), (60949, 333424), (69656, 291746), (83356, 243796), (89768, 226382), (113191, 179536), (121898, 166712), (139312, 145873)]