20376580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145547}}^1$

素因数の和:145563

約数の個数: 24

約数和(自身を含む): 48904128

約数和(自身を除く): 28527548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145547, 291094, 582188, 727735, 1018829, 1455470, 2037658, 2910940, 4075316, 5094145, 10188290, 20376580]

約数ペア:

[(1, 20376580), (2, 10188290), (4, 5094145), (5, 4075316), (7, 2910940), (10, 2037658), (14, 1455470), (20, 1018829), (28, 727735), (35, 582188), (70, 291094), (140, 145547)]