20197513

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8933}}^1$

素因数の和:8976

約数の個数: 16

約数和(自身を含む): 25729920

約数和(自身を除く): 5532407

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 8933, 62531, 151861, 169727, 1063027, 1188089, 2885359, 20197513]

約数ペア:

[(1, 20197513), (7, 2885359), (17, 1188089), (19, 1063027), (119, 169727), (133, 151861), (323, 62531), (2261, 8933)]