20687329

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 23461200

約数和(自身を除く): 2773871

約数列:

[1, 13, 37, 41, 481, 533, 1049, 1517, 13637, 19721, 38813, 43009, 504569, 559117, 1591333, 20687329]

約数ペア:

[(1, 20687329), (13, 1591333), (37, 559117), (41, 504569), (481, 43009), (533, 38813), (1049, 19721), (1517, 13637)]