20794037210

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3739}}^1\times {\mathrm{4001}}^1$

素因数の和:7886

約数の個数: 32

約数和(自身を含む): 37718049600

約数和(自身を除く): 16924012390

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 3739, 4001, 7478, 8002, 18695, 20005, 37390, 40010, 519721, 556139, 1039442, 1112278, 2598605, 2780695, 5197210, 5561390, 14959739, 29919478, 74798695, 149597390, 2079403721, 4158807442, 10397018605, 20794037210]

約数ペア:

[(1, 20794037210), (2, 10397018605), (5, 4158807442), (10, 2079403721), (139, 149597390), (278, 74798695), (695, 29919478), (1390, 14959739), (3739, 5561390), (4001, 5197210), (7478, 2780695), (8002, 2598605), (18695, 1112278), (20005, 1039442), (37390, 556139), (40010, 519721)]