20903891

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 1449517

約数列:

[1, 41, 43, 71, 167, 1763, 2911, 3053, 6847, 7181, 11857, 125173, 294421, 486137, 509851, 20903891]

約数ペア:

[(1, 20903891), (41, 509851), (43, 486137), (71, 294421), (167, 125173), (1763, 11857), (2911, 7181), (3053, 6847)]