20197293

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2153}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 27915840

約数和(自身を除く): 7718547

約数列:

[1, 3, 53, 59, 159, 177, 2153, 3127, 6459, 9381, 114109, 127027, 342327, 381081, 6732431, 20197293]

約数ペア:

[(1, 20197293), (3, 6732431), (53, 381081), (59, 342327), (159, 127027), (177, 114109), (2153, 9381), (3127, 6459)]