20256985175

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1300609}}^1$

素因数の和:1300715

約数の個数: 24

約数和(自身を含む): 29029615200

約数和(自身を除く): 8772630025

約数列:

[1, 5, 7, 25, 35, 89, 175, 445, 623, 2225, 3115, 15575, 1300609, 6503045, 9104263, 32515225, 45521315, 115754201, 227606575, 578771005, 810279407, 2893855025, 4051397035, 20256985175]

約数ペア:

[(1, 20256985175), (5, 4051397035), (7, 2893855025), (25, 810279407), (35, 578771005), (89, 227606575), (175, 115754201), (445, 45521315), (623, 32515225), (2225, 9104263), (3115, 6503045), (15575, 1300609)]