20616832

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 23447168

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 128, 149, 184, 188, 298, 368, 376, 596, 736, 752, 1081, 1192, 1472, 1504, 2162, 2384, 2944, 3008, 3427, 4324, 4768, 6016, 6854, 7003, 8648, 9536, 13708, 14006, 17296, 19072, 27416, 28012, 34592, 54832, 56024, 69184, 109664, 112048, 138368, 161069, 219328, 224096, 322138, 438656, 448192, 644276, 896384, 1288552, 2577104, 5154208, 10308416, 20616832]

約数ペア:

[(1, 20616832), (2, 10308416), (4, 5154208), (8, 2577104), (16, 1288552), (23, 896384), (32, 644276), (46, 448192), (47, 438656), (64, 322138), (92, 224096), (94, 219328), (128, 161069), (149, 138368), (184, 112048), (188, 109664), (298, 69184), (368, 56024), (376, 54832), (596, 34592), (736, 28012), (752, 27416), (1081, 19072), (1192, 17296), (1472, 14006), (1504, 13708), (2162, 9536), (2384, 8648), (2944, 7003), (3008, 6854), (3427, 6016), (4324, 4768)]