205206920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223051}}^1$

素因数の和:223085

約数の個数: 32

約数和(自身を含む): 481792320

約数和(自身を除く): 276585400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 223051, 446102, 892204, 1115255, 1784408, 2230510, 4461020, 5130173, 8922040, 10260346, 20520692, 25650865, 41041384, 51301730, 102603460, 205206920]

約数ペア:

[(1, 205206920), (2, 102603460), (4, 51301730), (5, 41041384), (8, 25650865), (10, 20520692), (20, 10260346), (23, 8922040), (40, 5130173), (46, 4461020), (92, 2230510), (115, 1784408), (184, 1115255), (230, 892204), (460, 446102), (920, 223051)]