20161515904

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{360439}}^1$

素因数の和:360495

約数の個数: 64

約数和(自身を含む): 44117856000

約数和(自身を除く): 23956340096

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 304, 368, 437, 608, 736, 874, 1216, 1472, 1748, 2432, 2944, 3496, 6992, 13984, 27968, 55936, 360439, 720878, 1441756, 2883512, 5767024, 6848341, 8290097, 11534048, 13696682, 16580194, 23068096, 27393364, 33160388, 46136192, 54786728, 66320776, 109573456, 132641552, 157511843, 219146912, 265283104, 315023686, 438293824, 530566208, 630047372, 876587648, 1061132416, 1260094744, 2520189488, 5040378976, 10080757952, 20161515904]

約数ペア:

[(1, 20161515904), (2, 10080757952), (4, 5040378976), (8, 2520189488), (16, 1260094744), (19, 1061132416), (23, 876587648), (32, 630047372), (38, 530566208), (46, 438293824), (64, 315023686), (76, 265283104), (92, 219146912), (128, 157511843), (152, 132641552), (184, 109573456), (304, 66320776), (368, 54786728), (437, 46136192), (608, 33160388), (736, 27393364), (874, 23068096), (1216, 16580194), (1472, 13696682), (1748, 11534048), (2432, 8290097), (2944, 6848341), (3496, 5767024), (6992, 2883512), (13984, 1441756), (27968, 720878), (55936, 360439)]