20172814976

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8387}}^1$

素因数の和:8486

約数の個数: 128

約数和(自身を含む): 45174412800

約数和(自身を除く): 25001597824

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 43, 46, 64, 76, 86, 92, 128, 152, 172, 184, 304, 344, 368, 437, 608, 688, 736, 817, 874, 989, 1216, 1376, 1472, 1634, 1748, 1978, 2432, 2752, 2944, 3268, 3496, 3956, 5504, 6536, 6992, 7912, 8387, 13072, 13984, 15824, 16774, 18791, 26144, 27968, 31648, 33548, 37582, 52288, 55936, 63296, 67096, 75164, 104576, 126592, 134192, 150328, 159353, 192901, 268384, 300656, 318706, 360641, 385802, 536768, 601312, 637412, 721282, 771604, 1073536, 1202624, 1274824, 1442564, 1543208, 2405248, 2549648, 2885128, 3086416, 3665119, 5099296, 5770256, 6172832, 6852179, 7330238, 8294743, 10198592, 11540512, 12345664, 13704358, 14660476, 16589486, 20397184, 23081024, 24691328, 27408716, 29320952, 33178972, 46162048, 54817432, 58641904, 66357944, 109634864, 117283808, 132715888, 157600117, 219269728, 234567616, 265431776, 315200234, 438539456, 469135232, 530863552, 630400468, 877078912, 1061727104, 1260800936, 2521601872, 5043203744, 10086407488, 20172814976]

約数ペア:

[(1, 20172814976), (2, 10086407488), (4, 5043203744), (8, 2521601872), (16, 1260800936), (19, 1061727104), (23, 877078912), (32, 630400468), (38, 530863552), (43, 469135232), (46, 438539456), (64, 315200234), (76, 265431776), (86, 234567616), (92, 219269728), (128, 157600117), (152, 132715888), (172, 117283808), (184, 109634864), (304, 66357944), (344, 58641904), (368, 54817432), (437, 46162048), (608, 33178972), (688, 29320952), (736, 27408716), (817, 24691328), (874, 23081024), (989, 20397184), (1216, 16589486), (1376, 14660476), (1472, 13704358), (1634, 12345664), (1748, 11540512), (1978, 10198592), (2432, 8294743), (2752, 7330238), (2944, 6852179), (3268, 6172832), (3496, 5770256), (3956, 5099296), (5504, 3665119), (6536, 3086416), (6992, 2885128), (7912, 2549648), (8387, 2405248), (13072, 1543208), (13984, 1442564), (15824, 1274824), (16774, 1202624), (18791, 1073536), (26144, 771604), (27968, 721282), (31648, 637412), (33548, 601312), (37582, 536768), (52288, 385802), (55936, 360641), (63296, 318706), (67096, 300656), (75164, 268384), (104576, 192901), (126592, 159353), (134192, 150328)]