20319321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5449}}^1$

素因数の和:5576

約数の個数: 16

約数和(自身を含む): 29822400

約数和(自身を除く): 9503079

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5449, 16347, 59939, 179817, 615737, 1847211, 6773107, 20319321]

約数ペア:

[(1, 20319321), (3, 6773107), (11, 1847211), (33, 615737), (113, 179817), (339, 59939), (1243, 16347), (3729, 5449)]