20178704938

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75859793}}^1$

素因数の和:75859821

約数の個数: 16

約数和(自身を含む): 36412701120

約数和(自身を除く): 16233996182

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75859793, 151719586, 531018551, 1062037102, 1441336067, 2882672134, 10089352469, 20178704938]

約数ペア:

[(1, 20178704938), (2, 10089352469), (7, 2882672134), (14, 1441336067), (19, 1062037102), (38, 531018551), (133, 151719586), (266, 75859793)]