20320762

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 38338560

約数和(自身を除く): 18017798

約数列:

[1, 2, 7, 11, 14, 22, 77, 127, 154, 254, 889, 1039, 1397, 1778, 2078, 2794, 7273, 9779, 11429, 14546, 19558, 22858, 80003, 131953, 160006, 263906, 923671, 1451483, 1847342, 2902966, 10160381, 20320762]

約数ペア:

[(1, 20320762), (2, 10160381), (7, 2902966), (11, 1847342), (14, 1451483), (22, 923671), (77, 263906), (127, 160006), (154, 131953), (254, 80003), (889, 22858), (1039, 19558), (1397, 14546), (1778, 11429), (2078, 9779), (2794, 7273)]