20246780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53281}}^1$

素因数の和:53309

約数の個数: 24

約数和(自身を含む): 44756880

約数和(自身を除く): 24510100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53281, 106562, 213124, 266405, 532810, 1012339, 1065620, 2024678, 4049356, 5061695, 10123390, 20246780]

約数ペア:

[(1, 20246780), (2, 10123390), (4, 5061695), (5, 4049356), (10, 2024678), (19, 1065620), (20, 1012339), (38, 532810), (76, 266405), (95, 213124), (190, 106562), (380, 53281)]