20171180656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{39371}}^1$

素因数の和:39502

約数の個数: 80

約数和(自身を含む): 44290665216

約数和(自身を除く): 24119484560

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 71, 82, 88, 142, 164, 176, 284, 328, 451, 568, 656, 781, 902, 1136, 1562, 1804, 2911, 3124, 3608, 5822, 6248, 7216, 11644, 12496, 23288, 32021, 39371, 46576, 64042, 78742, 128084, 157484, 256168, 314968, 433081, 512336, 629936, 866162, 1614211, 1732324, 2795341, 3228422, 3464648, 5590682, 6456844, 6929296, 11181364, 12913688, 17756321, 22362728, 25827376, 30748751, 35512642, 44725456, 61497502, 71025284, 114608981, 122995004, 142050568, 229217962, 245990008, 284101136, 458435924, 491980016, 916871848, 1260698791, 1833743696, 2521397582, 5042795164, 10085590328, 20171180656]

約数ペア:

[(1, 20171180656), (2, 10085590328), (4, 5042795164), (8, 2521397582), (11, 1833743696), (16, 1260698791), (22, 916871848), (41, 491980016), (44, 458435924), (71, 284101136), (82, 245990008), (88, 229217962), (142, 142050568), (164, 122995004), (176, 114608981), (284, 71025284), (328, 61497502), (451, 44725456), (568, 35512642), (656, 30748751), (781, 25827376), (902, 22362728), (1136, 17756321), (1562, 12913688), (1804, 11181364), (2911, 6929296), (3124, 6456844), (3608, 5590682), (5822, 3464648), (6248, 3228422), (7216, 2795341), (11644, 1732324), (12496, 1614211), (23288, 866162), (32021, 629936), (39371, 512336), (46576, 433081), (64042, 314968), (78742, 256168), (128084, 157484)]