20947291

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2035109

約数列:

[1, 19, 37, 83, 359, 703, 1577, 3071, 6821, 13283, 29797, 58349, 252377, 566143, 1102489, 20947291]

約数ペア:

[(1, 20947291), (19, 1102489), (37, 566143), (83, 252377), (359, 58349), (703, 29797), (1577, 13283), (3071, 6821)]