20360704

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 160

約数和(自身を含む): 54996480

約数和(自身を除く): 34635776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 23, 26, 28, 32, 38, 46, 52, 56, 64, 76, 91, 92, 104, 112, 128, 133, 152, 161, 182, 184, 208, 224, 247, 256, 266, 299, 304, 322, 364, 368, 416, 437, 448, 494, 512, 532, 598, 608, 644, 728, 736, 832, 874, 896, 988, 1064, 1196, 1216, 1288, 1456, 1472, 1664, 1729, 1748, 1792, 1976, 2093, 2128, 2392, 2432, 2576, 2912, 2944, 3059, 3328, 3458, 3496, 3584, 3952, 4186, 4256, 4784, 4864, 5152, 5681, 5824, 5888, 6118, 6656, 6916, 6992, 7904, 8372, 8512, 9568, 9728, 10304, 11362, 11648, 11776, 12236, 13832, 13984, 15808, 16744, 17024, 19136, 20608, 22724, 23296, 24472, 27664, 27968, 31616, 33488, 34048, 38272, 39767, 41216, 45448, 46592, 48944, 55328, 55936, 63232, 66976, 68096, 76544, 79534, 82432, 90896, 97888, 110656, 111872, 126464, 133952, 153088, 159068, 181792, 195776, 221312, 223744, 267904, 318136, 363584, 391552, 442624, 535808, 636272, 727168, 783104, 885248, 1071616, 1272544, 1454336, 1566208, 2545088, 2908672, 5090176, 10180352, 20360704]

約数ペア:

[(1, 20360704), (2, 10180352), (4, 5090176), (7, 2908672), (8, 2545088), (13, 1566208), (14, 1454336), (16, 1272544), (19, 1071616), (23, 885248), (26, 783104), (28, 727168), (32, 636272), (38, 535808), (46, 442624), (52, 391552), (56, 363584), (64, 318136), (76, 267904), (91, 223744), (92, 221312), (104, 195776), (112, 181792), (128, 159068), (133, 153088), (152, 133952), (161, 126464), (182, 111872), (184, 110656), (208, 97888), (224, 90896), (247, 82432), (256, 79534), (266, 76544), (299, 68096), (304, 66976), (322, 63232), (364, 55936), (368, 55328), (416, 48944), (437, 46592), (448, 45448), (494, 41216), (512, 39767), (532, 38272), (598, 34048), (608, 33488), (644, 31616), (728, 27968), (736, 27664), (832, 24472), (874, 23296), (896, 22724), (988, 20608), (1064, 19136), (1196, 17024), (1216, 16744), (1288, 15808), (1456, 13984), (1472, 13832), (1664, 12236), (1729, 11776), (1748, 11648), (1792, 11362), (1976, 10304), (2093, 9728), (2128, 9568), (2392, 8512), (2432, 8372), (2576, 7904), (2912, 6992), (2944, 6916), (3059, 6656), (3328, 6118), (3458, 5888), (3496, 5824), (3584, 5681), (3952, 5152), (4186, 4864), (4256, 4784)]