13920304

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{20233}}^1$

素因数の和:20284

約数の個数: 20

約数和(自身を含む): 27599176

約数和(自身を除く): 13678872

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 20233, 40466, 80932, 161864, 323728, 870019, 1740038, 3480076, 6960152, 13920304]

約数ペア:

[(1, 13920304), (2, 6960152), (4, 3480076), (8, 1740038), (16, 870019), (43, 323728), (86, 161864), (172, 80932), (344, 40466), (688, 20233)]