20187780243

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{393271}}^1$

素因数の和:393586

約数の個数: 16

約数和(自身を含む): 27409485312

約数和(自身を除く): 7221705069

約数列:

[1, 3, 71, 213, 241, 723, 17111, 51333, 393271, 1179813, 27922241, 83766723, 94778311, 284334933, 6729260081, 20187780243]

約数ペア:

[(1, 20187780243), (3, 6729260081), (71, 284334933), (213, 94778311), (241, 83766723), (723, 27922241), (17111, 1179813), (51333, 393271)]