20265968

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17351}}^1$

素因数の和:17432

約数の個数: 20

約数和(自身を含む): 39805488

約数和(自身を除く): 19539520

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17351, 34702, 69404, 138808, 277616, 1266623, 2533246, 5066492, 10132984, 20265968]

約数ペア:

[(1, 20265968), (2, 10132984), (4, 5066492), (8, 2533246), (16, 1266623), (73, 277616), (146, 138808), (292, 69404), (584, 34702), (1168, 17351)]