20109712912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{691721}}^1$

素因数の和:691831

約数の個数: 40

約数和(自身を含む): 41171293440

約数和(自身を除く): 21061580528

約数列:

[1, 2, 4, 8, 16, 23, 46, 79, 92, 158, 184, 316, 368, 632, 1264, 1817, 3634, 7268, 14536, 29072, 691721, 1383442, 2766884, 5533768, 11067536, 15909583, 31819166, 54645959, 63638332, 109291918, 127276664, 218583836, 254553328, 437167672, 874335344, 1256857057, 2513714114, 5027428228, 10054856456, 20109712912]

約数ペア:

[(1, 20109712912), (2, 10054856456), (4, 5027428228), (8, 2513714114), (16, 1256857057), (23, 874335344), (46, 437167672), (79, 254553328), (92, 218583836), (158, 127276664), (184, 109291918), (316, 63638332), (368, 54645959), (632, 31819166), (1264, 15909583), (1817, 11067536), (3634, 5533768), (7268, 2766884), (14536, 1383442), (29072, 691721)]