20940675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39887}}^1$

素因数の和:39907

約数の個数: 24

約数和(自身を含む): 39568896

約数和(自身を除く): 18628221

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39887, 119661, 199435, 279209, 598305, 837627, 997175, 1396045, 2991525, 4188135, 6980225, 20940675]

約数ペア:

[(1, 20940675), (3, 6980225), (5, 4188135), (7, 2991525), (15, 1396045), (21, 997175), (25, 837627), (35, 598305), (75, 279209), (105, 199435), (175, 119661), (525, 39887)]