20546690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 38434176

約数和(自身を除く): 17887486

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 673, 710, 1346, 3053, 3365, 6106, 6730, 15265, 28939, 30530, 47783, 57878, 95566, 144695, 238915, 289390, 477830, 2054669, 4109338, 10273345, 20546690]

約数ペア:

[(1, 20546690), (2, 10273345), (5, 4109338), (10, 2054669), (43, 477830), (71, 289390), (86, 238915), (142, 144695), (215, 95566), (355, 57878), (430, 47783), (673, 30530), (710, 28939), (1346, 15265), (3053, 6730), (3365, 6106)]