20811184

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9929}}^1$

素因数の和:10068

約数の個数: 20

約数和(自身を含む): 40633560

約数和(自身を除く): 19822376

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9929, 19858, 39716, 79432, 158864, 1300699, 2601398, 5202796, 10405592, 20811184]

約数ペア:

[(1, 20811184), (2, 10405592), (4, 5202796), (8, 2601398), (16, 1300699), (131, 158864), (262, 79432), (524, 39716), (1048, 19858), (2096, 9929)]