20531499

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7410261

約数列:

[1, 3, 89, 131, 267, 393, 587, 1761, 11659, 34977, 52243, 76897, 156729, 230691, 6843833, 20531499]

約数ペア:

[(1, 20531499), (3, 6843833), (89, 230691), (131, 156729), (267, 76897), (393, 52243), (587, 34977), (1761, 11659)]