20478837

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 27827712

約数和(自身を除く): 7348875

約数列:

[1, 3, 107, 131, 321, 393, 487, 1461, 14017, 42051, 52109, 63797, 156327, 191391, 6826279, 20478837]

約数ペア:

[(1, 20478837), (3, 6826279), (107, 191391), (131, 156327), (321, 63797), (393, 52109), (487, 42051), (1461, 14017)]