20042834

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 36480000

約数和(自身を除く): 16437166

約数列:

[1, 2, 7, 14, 19, 38, 133, 151, 266, 302, 499, 998, 1057, 2114, 2869, 3493, 5738, 6986, 9481, 18962, 20083, 40166, 66367, 75349, 132734, 150698, 527443, 1054886, 1431631, 2863262, 10021417, 20042834]

約数ペア:

[(1, 20042834), (2, 10021417), (7, 2863262), (14, 1431631), (19, 1054886), (38, 527443), (133, 150698), (151, 132734), (266, 75349), (302, 66367), (499, 40166), (998, 20083), (1057, 18962), (2114, 9481), (2869, 6986), (3493, 5738)]