205345820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{218453}}^1$

素因数の和:218509

約数の個数: 24

約数和(自身を含む): 440403264

約数和(自身を除く): 235057444

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 218453, 436906, 873812, 1092265, 2184530, 4369060, 10267291, 20534582, 41069164, 51336455, 102672910, 205345820]

約数ペア:

[(1, 205345820), (2, 102672910), (4, 51336455), (5, 41069164), (10, 20534582), (20, 10267291), (47, 4369060), (94, 2184530), (188, 1092265), (235, 873812), (470, 436906), (940, 218453)]