20897118

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{105541}}^1$

素因数の和:105560

約数の個数: 24

約数和(自身を含む): 49393656

約数和(自身を除く): 28496538

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 105541, 211082, 316623, 633246, 949869, 1160951, 1899738, 2321902, 3482853, 6965706, 10448559, 20897118]

約数ペア:

[(1, 20897118), (2, 10448559), (3, 6965706), (6, 3482853), (9, 2321902), (11, 1899738), (18, 1160951), (22, 949869), (33, 633246), (66, 316623), (99, 211082), (198, 105541)]