20988542

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{2143}}^1$

素因数の和:2287

約数の個数: 16

約数和(自身を含む): 32417280

約数和(自身を除く): 11428738

約数列:

[1, 2, 59, 83, 118, 166, 2143, 4286, 4897, 9794, 126437, 177869, 252874, 355738, 10494271, 20988542]

約数ペア:

[(1, 20988542), (2, 10494271), (59, 355738), (83, 252874), (118, 177869), (166, 126437), (2143, 9794), (4286, 4897)]