13705820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15937}}^1$

素因数の和:15989

約数の個数: 24

約数和(自身を含む): 29453424

約数和(自身を除く): 15747604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15937, 31874, 63748, 79685, 159370, 318740, 685291, 1370582, 2741164, 3426455, 6852910, 13705820]

約数ペア:

[(1, 13705820), (2, 6852910), (4, 3426455), (5, 2741164), (10, 1370582), (20, 685291), (43, 318740), (86, 159370), (172, 79685), (215, 63748), (430, 31874), (860, 15937)]