20253177

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2129}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 33671040

約数和(自身を除く): 13417863

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 2129, 3171, 6387, 9513, 14903, 19161, 44709, 134127, 321479, 964437, 2250353, 2893311, 6751059, 20253177]

約数ペア:

[(1, 20253177), (3, 6751059), (7, 2893311), (9, 2250353), (21, 964437), (63, 321479), (151, 134127), (453, 44709), (1057, 19161), (1359, 14903), (2129, 9513), (3171, 6387)]