20028736

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 112

約数和(自身を含む): 51775360

約数和(自身を除く): 31746624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 133, 152, 181, 182, 208, 224, 247, 266, 304, 362, 364, 416, 448, 494, 532, 608, 724, 728, 832, 988, 1064, 1216, 1267, 1448, 1456, 1729, 1976, 2128, 2353, 2534, 2896, 2912, 3439, 3458, 3952, 4256, 4706, 5068, 5792, 5824, 6878, 6916, 7904, 8512, 9412, 10136, 11584, 13756, 13832, 15808, 16471, 18824, 20272, 24073, 27512, 27664, 32942, 37648, 40544, 44707, 48146, 55024, 55328, 65884, 75296, 81088, 89414, 96292, 110048, 110656, 131768, 150592, 178828, 192584, 220096, 263536, 312949, 357656, 385168, 527072, 625898, 715312, 770336, 1054144, 1251796, 1430624, 1540672, 2503592, 2861248, 5007184, 10014368, 20028736]

約数ペア:

[(1, 20028736), (2, 10014368), (4, 5007184), (7, 2861248), (8, 2503592), (13, 1540672), (14, 1430624), (16, 1251796), (19, 1054144), (26, 770336), (28, 715312), (32, 625898), (38, 527072), (52, 385168), (56, 357656), (64, 312949), (76, 263536), (91, 220096), (104, 192584), (112, 178828), (133, 150592), (152, 131768), (181, 110656), (182, 110048), (208, 96292), (224, 89414), (247, 81088), (266, 75296), (304, 65884), (362, 55328), (364, 55024), (416, 48146), (448, 44707), (494, 40544), (532, 37648), (608, 32942), (724, 27664), (728, 27512), (832, 24073), (988, 20272), (1064, 18824), (1216, 16471), (1267, 15808), (1448, 13832), (1456, 13756), (1729, 11584), (1976, 10136), (2128, 9412), (2353, 8512), (2534, 7904), (2896, 6916), (2912, 6878), (3439, 5824), (3458, 5792), (3952, 5068), (4256, 4706)]