20163893512

素因数分解:

$2^3\times 7^1\times {\mathrm{2887}}^1\times {\mathrm{124721}}^1$

素因数の和:127621

約数の個数: 32

約数和(自身を含む): 43223656320

約数和(自身を除く): 23059762808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2887, 5774, 11548, 20209, 23096, 40418, 80836, 124721, 161672, 249442, 498884, 873047, 997768, 1746094, 3492188, 6984376, 360069527, 720139054, 1440278108, 2520486689, 2880556216, 5040973378, 10081946756, 20163893512]

約数ペア:

[(1, 20163893512), (2, 10081946756), (4, 5040973378), (7, 2880556216), (8, 2520486689), (14, 1440278108), (28, 720139054), (56, 360069527), (2887, 6984376), (5774, 3492188), (11548, 1746094), (20209, 997768), (23096, 873047), (40418, 498884), (80836, 249442), (124721, 161672)]