20502416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116491}}^1$

素因数の和:116510

約数の個数: 20

約数和(自身を含む): 43335024

約数和(自身を除く): 22832608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116491, 232982, 465964, 931928, 1281401, 1863856, 2562802, 5125604, 10251208, 20502416]

約数ペア:

[(1, 20502416), (2, 10251208), (4, 5125604), (8, 2562802), (11, 1863856), (16, 1281401), (22, 931928), (44, 465964), (88, 232982), (176, 116491)]