20172718976

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{1307}}^1$

素因数の和:1552

約数の個数: 128

約数和(自身を含む): 43875185760

約数和(自身を除く): 23702466784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 128, 136, 164, 173, 272, 328, 346, 544, 656, 692, 697, 1088, 1307, 1312, 1384, 1394, 2176, 2614, 2624, 2768, 2788, 2941, 5228, 5248, 5536, 5576, 5882, 7093, 10456, 11072, 11152, 11764, 14186, 20912, 22144, 22219, 22304, 23528, 28372, 41824, 44438, 44608, 47056, 53587, 56744, 83648, 88876, 89216, 94112, 107174, 113488, 120581, 167296, 177752, 188224, 214348, 226111, 226976, 241162, 355504, 376448, 428696, 452222, 453952, 482324, 711008, 857392, 904444, 907904, 910979, 964648, 1422016, 1714784, 1808888, 1821958, 1929296, 2844032, 3429568, 3617776, 3643916, 3843887, 3858592, 6859136, 7235552, 7287832, 7687774, 7717184, 9270551, 14471104, 14575664, 15375548, 15434368, 18541102, 28942208, 29151328, 30751096, 37082204, 58302656, 61502192, 74164408, 116605312, 123004384, 148328816, 157599367, 246008768, 296657632, 315198734, 492017536, 593315264, 630397468, 1186630528, 1260794936, 2521589872, 5043179744, 10086359488, 20172718976]

約数ペア:

[(1, 20172718976), (2, 10086359488), (4, 5043179744), (8, 2521589872), (16, 1260794936), (17, 1186630528), (32, 630397468), (34, 593315264), (41, 492017536), (64, 315198734), (68, 296657632), (82, 246008768), (128, 157599367), (136, 148328816), (164, 123004384), (173, 116605312), (272, 74164408), (328, 61502192), (346, 58302656), (544, 37082204), (656, 30751096), (692, 29151328), (697, 28942208), (1088, 18541102), (1307, 15434368), (1312, 15375548), (1384, 14575664), (1394, 14471104), (2176, 9270551), (2614, 7717184), (2624, 7687774), (2768, 7287832), (2788, 7235552), (2941, 6859136), (5228, 3858592), (5248, 3843887), (5536, 3643916), (5576, 3617776), (5882, 3429568), (7093, 2844032), (10456, 1929296), (11072, 1821958), (11152, 1808888), (11764, 1714784), (14186, 1422016), (20912, 964648), (22144, 910979), (22219, 907904), (22304, 904444), (23528, 857392), (28372, 711008), (41824, 482324), (44438, 453952), (44608, 452222), (47056, 428696), (53587, 376448), (56744, 355504), (83648, 241162), (88876, 226976), (89216, 226111), (94112, 214348), (107174, 188224), (113488, 177752), (120581, 167296)]