20438583984

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{519907}}^1$

素因数の和:519944

約数の個数: 160

約数和(自身を含む): 72204823040

約数和(自身を除く): 51766239056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 234, 252, 273, 312, 336, 351, 364, 378, 432, 468, 504, 546, 624, 702, 728, 756, 819, 936, 1008, 1092, 1404, 1456, 1512, 1638, 1872, 2184, 2457, 2808, 3024, 3276, 4368, 4914, 5616, 6552, 9828, 13104, 19656, 39312, 519907, 1039814, 1559721, 2079628, 3119442, 3639349, 4159256, 4679163, 6238884, 6758791, 7278698, 8318512, 9358326, 10918047, 12477768, 13517582, 14037489, 14557396, 18716652, 20276373, 21836094, 24955536, 27035164, 28074978, 29114792, 32754141, 37433304, 40552746, 43672188, 47311537, 54070328, 56149956, 58229584, 60829119, 65508282, 74866608, 81105492, 87344376, 94623074, 98262423, 108140656, 112299912, 121658238, 131016564, 141934611, 162210984, 174688752, 182487357, 189246148, 196524846, 224599824, 243316476, 262033128, 283869222, 324421968, 364974714, 378492296, 393049692, 425803833, 486632952, 524066256, 567738444, 729949428, 756984592, 786099384, 851607666, 973265904, 1135476888, 1277411499, 1459898856, 1572198768, 1703215332, 2270953776, 2554822998, 2919797712, 3406430664, 5109645996, 6812861328, 10219291992, 20438583984]

約数ペア:

[(1, 20438583984), (2, 10219291992), (3, 6812861328), (4, 5109645996), (6, 3406430664), (7, 2919797712), (8, 2554822998), (9, 2270953776), (12, 1703215332), (13, 1572198768), (14, 1459898856), (16, 1277411499), (18, 1135476888), (21, 973265904), (24, 851607666), (26, 786099384), (27, 756984592), (28, 729949428), (36, 567738444), (39, 524066256), (42, 486632952), (48, 425803833), (52, 393049692), (54, 378492296), (56, 364974714), (63, 324421968), (72, 283869222), (78, 262033128), (84, 243316476), (91, 224599824), (104, 196524846), (108, 189246148), (112, 182487357), (117, 174688752), (126, 162210984), (144, 141934611), (156, 131016564), (168, 121658238), (182, 112299912), (189, 108140656), (208, 98262423), (216, 94623074), (234, 87344376), (252, 81105492), (273, 74866608), (312, 65508282), (336, 60829119), (351, 58229584), (364, 56149956), (378, 54070328), (432, 47311537), (468, 43672188), (504, 40552746), (546, 37433304), (624, 32754141), (702, 29114792), (728, 28074978), (756, 27035164), (819, 24955536), (936, 21836094), (1008, 20276373), (1092, 18716652), (1404, 14557396), (1456, 14037489), (1512, 13517582), (1638, 12477768), (1872, 10918047), (2184, 9358326), (2457, 8318512), (2808, 7278698), (3024, 6758791), (3276, 6238884), (4368, 4679163), (4914, 4159256), (5616, 3639349), (6552, 3119442), (9828, 2079628), (13104, 1559721), (19656, 1039814), (39312, 519907)]