20090179568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66086117}}^1$

素因数の和:66086144

約数の個数: 20

約数和(自身を含む): 40973393160

約数和(自身を除く): 20883213592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66086117, 132172234, 264344468, 528688936, 1057377872, 1255636223, 2511272446, 5022544892, 10045089784, 20090179568]

約数ペア:

[(1, 20090179568), (2, 10045089784), (4, 5022544892), (8, 2511272446), (16, 1255636223), (19, 1057377872), (38, 528688936), (76, 264344468), (152, 132172234), (304, 66086117)]