20262020

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4463}}^1$

素因数の和:4699

約数の個数: 24

約数和(自身を含む): 42747264

約数和(自身を除く): 22485244

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4463, 4540, 8926, 17852, 22315, 44630, 89260, 1013101, 2026202, 4052404, 5065505, 10131010, 20262020]

約数ペア:

[(1, 20262020), (2, 10131010), (4, 5065505), (5, 4052404), (10, 2026202), (20, 1013101), (227, 89260), (454, 44630), (908, 22315), (1135, 17852), (2270, 8926), (4463, 4540)]