20834515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8663}}^1$

素因数の和:8718

約数の個数: 16

約数和(自身を含む): 27655488

約数和(自身を除く): 6820973

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8663, 43315, 112619, 320531, 563095, 1602655, 4166903, 20834515]

約数ペア:

[(1, 20834515), (5, 4166903), (13, 1602655), (37, 563095), (65, 320531), (185, 112619), (481, 43315), (2405, 8663)]