20658106

素因数分解:

$2^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{761}}^1$

素因数の和:1054

約数の個数: 24

約数和(自身を含む): 36223956

約数和(自身を除く): 15565850

約数列:

[1, 2, 7, 14, 49, 98, 277, 554, 761, 1522, 1939, 3878, 5327, 10654, 13573, 27146, 37289, 74578, 210797, 421594, 1475579, 2951158, 10329053, 20658106]

約数ペア:

[(1, 20658106), (2, 10329053), (7, 2951158), (14, 1475579), (49, 421594), (98, 210797), (277, 74578), (554, 37289), (761, 27146), (1522, 13573), (1939, 10654), (3878, 5327)]