20131912

素因数分解:

$2^3\times {\mathrm{43}}^2\times {\mathrm{1361}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 38673990

約数和(自身を除く): 18542078

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1361, 1849, 2722, 3698, 5444, 7396, 10888, 14792, 58523, 117046, 234092, 468184, 2516489, 5032978, 10065956, 20131912]

約数ペア:

[(1, 20131912), (2, 10065956), (4, 5032978), (8, 2516489), (43, 468184), (86, 234092), (172, 117046), (344, 58523), (1361, 14792), (1849, 10888), (2722, 7396), (3698, 5444)]