20654128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117353}}^1$

素因数の和:117372

約数の個数: 20

約数和(自身を含む): 43655688

約数和(自身を除く): 23001560

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117353, 234706, 469412, 938824, 1290883, 1877648, 2581766, 5163532, 10327064, 20654128]

約数ペア:

[(1, 20654128), (2, 10327064), (4, 5163532), (8, 2581766), (11, 1877648), (16, 1290883), (22, 938824), (44, 469412), (88, 234706), (176, 117353)]