20001275

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3089}}^1$

素因数の和:3143

約数の個数: 24

約数和(自身を含む): 29120160

約数和(自身を除く): 9118885

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 925, 1295, 3089, 6475, 15445, 21623, 77225, 108115, 114293, 540575, 571465, 800051, 2857325, 4000255, 20001275]

約数ペア:

[(1, 20001275), (5, 4000255), (7, 2857325), (25, 800051), (35, 571465), (37, 540575), (175, 114293), (185, 108115), (259, 77225), (925, 21623), (1295, 15445), (3089, 6475)]