20172787990

素因数分解:

$2^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{661}}^1\times {\mathrm{8501}}^1$

素因数の和:9528

約数の個数: 32

約数和(自身を含む): 36471539520

約数和(自身を除く): 16298751530

約数列:

[1, 2, 5, 10, 359, 661, 718, 1322, 1795, 3305, 3590, 6610, 8501, 17002, 42505, 85010, 237299, 474598, 1186495, 2372990, 3051859, 5619161, 6103718, 11238322, 15259295, 28095805, 30518590, 56191610, 2017278799, 4034557598, 10086393995, 20172787990]

約数ペア:

[(1, 20172787990), (2, 10086393995), (5, 4034557598), (10, 2017278799), (359, 56191610), (661, 30518590), (718, 28095805), (1322, 15259295), (1795, 11238322), (3305, 6103718), (3590, 5619161), (6610, 3051859), (8501, 2372990), (17002, 1186495), (42505, 474598), (85010, 237299)]