20643384

素因数分解:

$2^3\times 3^1\times {\mathrm{281}}^1\times {\mathrm{3061}}^1$

素因数の和:3351

約数の個数: 32

約数和(自身を含む): 51809040

約数和(自身を除く): 31165656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 281, 562, 843, 1124, 1686, 2248, 3061, 3372, 6122, 6744, 9183, 12244, 18366, 24488, 36732, 73464, 860141, 1720282, 2580423, 3440564, 5160846, 6881128, 10321692, 20643384]

約数ペア:

[(1, 20643384), (2, 10321692), (3, 6881128), (4, 5160846), (6, 3440564), (8, 2580423), (12, 1720282), (24, 860141), (281, 73464), (562, 36732), (843, 24488), (1124, 18366), (1686, 12244), (2248, 9183), (3061, 6744), (3372, 6122)]