20774320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37097}}^1$

素因数の和:37117

約数の個数: 40

約数和(自身を含む): 55201824

約数和(自身を除く): 34427504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37097, 74194, 148388, 185485, 259679, 296776, 370970, 519358, 593552, 741940, 1038716, 1298395, 1483880, 2077432, 2596790, 2967760, 4154864, 5193580, 10387160, 20774320]

約数ペア:

[(1, 20774320), (2, 10387160), (4, 5193580), (5, 4154864), (7, 2967760), (8, 2596790), (10, 2077432), (14, 1483880), (16, 1298395), (20, 1038716), (28, 741940), (35, 593552), (40, 519358), (56, 370970), (70, 296776), (80, 259679), (112, 185485), (140, 148388), (280, 74194), (560, 37097)]