20820679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 2693945

約数列:

[1, 11, 53, 71, 503, 583, 781, 3763, 5533, 26659, 35713, 41393, 293249, 392843, 1892789, 20820679]

約数ペア:

[(1, 20820679), (11, 1892789), (53, 392843), (71, 293249), (503, 41393), (583, 35713), (781, 26659), (3763, 5533)]