20199132040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3685973}}^1$

素因数の和:3686121

約数の個数: 32

約数和(自身を含む): 45779797080

約数和(自身を除く): 25580665040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 3685973, 7371946, 14743892, 18429865, 29487784, 36859730, 73719460, 147438920, 504978301, 1009956602, 2019913204, 2524891505, 4039826408, 5049783010, 10099566020, 20199132040]

約数ペア:

[(1, 20199132040), (2, 10099566020), (4, 5049783010), (5, 4039826408), (8, 2524891505), (10, 2019913204), (20, 1009956602), (40, 504978301), (137, 147438920), (274, 73719460), (548, 36859730), (685, 29487784), (1096, 18429865), (1370, 14743892), (2740, 7371946), (5480, 3685973)]