20109921580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143642297}}^1$

素因数の和:143642313

約数の個数: 24

約数和(自身を含む): 48263812128

約数和(自身を除く): 28153890548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143642297, 287284594, 574569188, 718211485, 1005496079, 1436422970, 2010992158, 2872845940, 4021984316, 5027480395, 10054960790, 20109921580]

約数ペア:

[(1, 20109921580), (2, 10054960790), (4, 5027480395), (5, 4021984316), (7, 2872845940), (10, 2010992158), (14, 1436422970), (20, 1005496079), (28, 718211485), (35, 574569188), (70, 287284594), (140, 143642297)]