20563396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38653}}^1$

素因数の和:38683

約数の個数: 24

約数和(自身を含む): 43292480

約数和(自身を除く): 22729084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38653, 77306, 154612, 270571, 541142, 734407, 1082284, 1468814, 2937628, 5140849, 10281698, 20563396]

約数ペア:

[(1, 20563396), (2, 10281698), (4, 5140849), (7, 2937628), (14, 1468814), (19, 1082284), (28, 734407), (38, 541142), (76, 270571), (133, 154612), (266, 77306), (532, 38653)]