20766168

素因数分解:

$2^3\times 3^2\times {\mathrm{379}}^1\times {\mathrm{761}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 56464200

約数和(自身を除く): 35698032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 379, 758, 761, 1137, 1516, 1522, 2274, 2283, 3032, 3044, 3411, 4548, 4566, 6088, 6822, 6849, 9096, 9132, 13644, 13698, 18264, 27288, 27396, 54792, 288419, 576838, 865257, 1153676, 1730514, 2307352, 2595771, 3461028, 5191542, 6922056, 10383084, 20766168]

約数ペア:

[(1, 20766168), (2, 10383084), (3, 6922056), (4, 5191542), (6, 3461028), (8, 2595771), (9, 2307352), (12, 1730514), (18, 1153676), (24, 865257), (36, 576838), (72, 288419), (379, 54792), (758, 27396), (761, 27288), (1137, 18264), (1516, 13698), (1522, 13644), (2274, 9132), (2283, 9096), (3032, 6849), (3044, 6822), (3411, 6088), (4548, 4566)]