20280337

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15493}}^1$

素因数の和:15528

約数の個数: 16

約数和(自身を含む): 26773632

約数和(自身を除く): 6493295

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15493, 108451, 170423, 263381, 1192961, 1843667, 2897191, 20280337]

約数ペア:

[(1, 20280337), (7, 2897191), (11, 1843667), (17, 1192961), (77, 263381), (119, 170423), (187, 108451), (1309, 15493)]