20043902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 32735232

約数和(自身を除く): 12691330

約数列:

[1, 2, 23, 46, 47, 73, 94, 127, 146, 254, 1081, 1679, 2162, 2921, 3358, 3431, 5842, 5969, 6862, 9271, 11938, 18542, 78913, 137287, 157826, 213233, 274574, 426466, 435737, 871474, 10021951, 20043902]

約数ペア:

[(1, 20043902), (2, 10021951), (23, 871474), (46, 435737), (47, 426466), (73, 274574), (94, 213233), (127, 157826), (146, 137287), (254, 78913), (1081, 18542), (1679, 11938), (2162, 9271), (2921, 6862), (3358, 5969), (3431, 5842)]