20109819

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 27310752

約数和(自身を除く): 7200933

約数列:

[1, 3, 113, 137, 339, 411, 433, 1299, 15481, 46443, 48929, 59321, 146787, 177963, 6703273, 20109819]

約数ペア:

[(1, 20109819), (3, 6703273), (113, 177963), (137, 146787), (339, 59321), (411, 48929), (433, 46443), (1299, 15481)]