20207540

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4451}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 42632352

約数和(自身を除く): 22424812

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4451, 4540, 8902, 17804, 22255, 44510, 89020, 1010377, 2020754, 4041508, 5051885, 10103770, 20207540]

約数ペア:

[(1, 20207540), (2, 10103770), (4, 5051885), (5, 4041508), (10, 2020754), (20, 1010377), (227, 89020), (454, 44510), (908, 22255), (1135, 17804), (2270, 8902), (4451, 4540)]