20338216

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{54091}}^1$

素因数の和:54144

約数の個数: 16

約数和(自身を含む): 38946240

約数和(自身を除く): 18608024

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 54091, 108182, 216364, 432728, 2542277, 5084554, 10169108, 20338216]

約数ペア:

[(1, 20338216), (2, 10169108), (4, 5084554), (8, 2542277), (47, 432728), (94, 216364), (188, 108182), (376, 54091)]