20512592

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21017}}^1$

素因数の和:21086

約数の個数: 20

約数和(自身を含む): 40396596

約数和(自身を除く): 19884004

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21017, 42034, 84068, 168136, 336272, 1282037, 2564074, 5128148, 10256296, 20512592]

約数ペア:

[(1, 20512592), (2, 10256296), (4, 5128148), (8, 2564074), (16, 1282037), (61, 336272), (122, 168136), (244, 84068), (488, 42034), (976, 21017)]