20766416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117991}}^1$

素因数の和:118010

約数の個数: 20

約数和(自身を含む): 43893024

約数和(自身を除く): 23126608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117991, 235982, 471964, 943928, 1297901, 1887856, 2595802, 5191604, 10383208, 20766416]

約数ペア:

[(1, 20766416), (2, 10383208), (4, 5191604), (8, 2595802), (11, 1887856), (16, 1297901), (22, 943928), (44, 471964), (88, 235982), (176, 117991)]