20646236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20897}}^1$

素因数の和:20933

約数の個数: 24

約数和(自身を含む): 40960080

約数和(自身を除く): 20313844

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20897, 41794, 83588, 271661, 397043, 543322, 794086, 1086644, 1588172, 5161559, 10323118, 20646236]

約数ペア:

[(1, 20646236), (2, 10323118), (4, 5161559), (13, 1588172), (19, 1086644), (26, 794086), (38, 543322), (52, 397043), (76, 271661), (247, 83588), (494, 41794), (988, 20897)]