20746837504

素因数分解:

$2^9\times {\mathrm{19}}^2\times {\mathrm{112247}}^1$

素因数の和:112303

約数の個数: 60

約数和(自身を含む): 43750117224

約数和(自身を除く): 23003279720

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 361, 512, 608, 722, 1216, 1444, 2432, 2888, 4864, 5776, 9728, 11552, 23104, 46208, 92416, 112247, 184832, 224494, 448988, 897976, 1795952, 2132693, 3591904, 4265386, 7183808, 8530772, 14367616, 17061544, 28735232, 34123088, 40521167, 57470464, 68246176, 81042334, 136492352, 162084668, 272984704, 324169336, 545969408, 648338672, 1091938816, 1296677344, 2593354688, 5186709376, 10373418752, 20746837504]

約数ペア:

[(1, 20746837504), (2, 10373418752), (4, 5186709376), (8, 2593354688), (16, 1296677344), (19, 1091938816), (32, 648338672), (38, 545969408), (64, 324169336), (76, 272984704), (128, 162084668), (152, 136492352), (256, 81042334), (304, 68246176), (361, 57470464), (512, 40521167), (608, 34123088), (722, 28735232), (1216, 17061544), (1444, 14367616), (2432, 8530772), (2888, 7183808), (4864, 4265386), (5776, 3591904), (9728, 2132693), (11552, 1795952), (23104, 897976), (46208, 448988), (92416, 224494), (112247, 184832)]