20064580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24469}}^1$

素因数の和:24519

約数の個数: 24

約数和(自身を含む): 43165080

約数和(自身を除く): 23100500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24469, 48938, 97876, 122345, 244690, 489380, 1003229, 2006458, 4012916, 5016145, 10032290, 20064580]

約数ペア:

[(1, 20064580), (2, 10032290), (4, 5016145), (5, 4012916), (10, 2006458), (20, 1003229), (41, 489380), (82, 244690), (164, 122345), (205, 97876), (410, 48938), (820, 24469)]