20553231

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3191}}^1$

素因数の和:3326

約数の個数: 16

約数和(自身を含む): 29111040

約数和(自身を除く): 8557809

約数列:

[1, 3, 19, 57, 113, 339, 2147, 3191, 6441, 9573, 60629, 181887, 360583, 1081749, 6851077, 20553231]

約数ペア:

[(1, 20553231), (3, 6851077), (19, 1081749), (57, 360583), (113, 181887), (339, 60629), (2147, 9573), (3191, 6441)]