20476687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15643}}^1$

素因数の和:15678

約数の個数: 16

約数和(自身を含む): 27032832

約数和(自身を除く): 6556145

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15643, 109501, 172073, 265931, 1204511, 1861517, 2925241, 20476687]

約数ペア:

[(1, 20476687), (7, 2925241), (11, 1861517), (17, 1204511), (77, 265931), (119, 172073), (187, 109501), (1309, 15643)]