20158391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 22768128

約数和(自身を除く): 2609737

約数列:

[1, 11, 53, 71, 487, 583, 781, 3763, 5357, 25811, 34577, 41393, 283921, 380347, 1832581, 20158391]

約数ペア:

[(1, 20158391), (11, 1832581), (53, 380347), (71, 283921), (487, 41393), (583, 34577), (781, 25811), (3763, 5357)]