13205780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{94327}}^1$

素因数の和:94343

約数の個数: 24

約数和(自身を含む): 31694208

約数和(自身を除く): 18488428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 94327, 188654, 377308, 471635, 660289, 943270, 1320578, 1886540, 2641156, 3301445, 6602890, 13205780]

約数ペア:

[(1, 13205780), (2, 6602890), (4, 3301445), (5, 2641156), (7, 1886540), (10, 1320578), (14, 943270), (20, 660289), (28, 471635), (35, 377308), (70, 188654), (140, 94327)]