20426452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1069}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 38019240

約数和(自身を除く): 17592788

約数列:

[1, 2, 4, 17, 34, 68, 281, 562, 1069, 1124, 2138, 4276, 4777, 9554, 18173, 19108, 36346, 72692, 300389, 600778, 1201556, 5106613, 10213226, 20426452]

約数ペア:

[(1, 20426452), (2, 10213226), (4, 5106613), (17, 1201556), (34, 600778), (68, 300389), (281, 72692), (562, 36346), (1069, 19108), (1124, 18173), (2138, 9554), (4276, 4777)]