19803280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35363}}^1$

素因数の和:35383

約数の個数: 40

約数和(自身を含む): 52621632

約数和(自身を除く): 32818352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35363, 70726, 141452, 176815, 247541, 282904, 353630, 495082, 565808, 707260, 990164, 1237705, 1414520, 1980328, 2475410, 2829040, 3960656, 4950820, 9901640, 19803280]

約数ペア:

[(1, 19803280), (2, 9901640), (4, 4950820), (5, 3960656), (7, 2829040), (8, 2475410), (10, 1980328), (14, 1414520), (16, 1237705), (20, 990164), (28, 707260), (35, 565808), (40, 495082), (56, 353630), (70, 282904), (80, 247541), (112, 176815), (140, 141452), (280, 70726), (560, 35363)]