20195590780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7264601}}^1$

素因数の和:7264749

約数の個数: 24

約数和(自身を含む): 42715859760

約数和(自身を除く): 22520268980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 7264601, 14529202, 29058404, 36323005, 72646010, 145292020, 1009779539, 2019559078, 4039118156, 5048897695, 10097795390, 20195590780]

約数ペア:

[(1, 20195590780), (2, 10097795390), (4, 5048897695), (5, 4039118156), (10, 2019559078), (20, 1009779539), (139, 145292020), (278, 72646010), (556, 36323005), (695, 29058404), (1390, 14529202), (2780, 7264601)]