20740153

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9173}}^1$

素因数の和:9216

約数の個数: 16

約数和(自身を含む): 26421120

約数和(自身を除く): 5680967

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9173, 64211, 155941, 174287, 1091587, 1220009, 2962879, 20740153]

約数ペア:

[(1, 20740153), (7, 2962879), (17, 1220009), (19, 1091587), (119, 174287), (133, 155941), (323, 64211), (2261, 9173)]