20139706293

素因数分解:

$3^1\times 7^1\times {\mathrm{2111}}^1\times {\mathrm{454303}}^1$

素因数の和:456424

約数の個数: 16

約数和(自身を含む): 30703681536

約数和(自身を除く): 10563975243

約数列:

[1, 3, 7, 21, 2111, 6333, 14777, 44331, 454303, 1362909, 3180121, 9540363, 959033633, 2877100899, 6713235431, 20139706293]

約数ペア:

[(1, 20139706293), (3, 6713235431), (7, 2877100899), (21, 959033633), (2111, 9540363), (6333, 3180121), (14777, 1362909), (44331, 454303)]