20178544563

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31578317}}^1$

素因数の和:31578394

約数の個数: 12

約数和(自身を含む): 29557305648

約数和(自身を除く): 9378761085

約数列:

[1, 3, 9, 71, 213, 639, 31578317, 94734951, 284204853, 2242060507, 6726181521, 20178544563]

約数ペア:

[(1, 20178544563), (3, 6726181521), (9, 2242060507), (71, 284204853), (213, 94734951), (639, 31578317)]