20927039

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 24460800

約数和(自身を除く): 3533761

約数列:

[1, 7, 83, 181, 199, 581, 1267, 1393, 15023, 16517, 36019, 105161, 115619, 252133, 2989577, 20927039]

約数ペア:

[(1, 20927039), (7, 2989577), (83, 252133), (181, 115619), (199, 105161), (581, 36019), (1267, 16517), (1393, 15023)]