20182967888

素因数分解:

$2^4\times {\mathrm{1279}}^1\times {\mathrm{986267}}^1$

素因数の和:987554

約数の個数: 20

約数和(自身を含む): 39135114240

約数和(自身を除く): 18952146352

約数列:

[1, 2, 4, 8, 16, 1279, 2558, 5116, 10232, 20464, 986267, 1972534, 3945068, 7890136, 15780272, 1261435493, 2522870986, 5045741972, 10091483944, 20182967888]

約数ペア:

[(1, 20182967888), (2, 10091483944), (4, 5045741972), (8, 2522870986), (16, 1261435493), (1279, 15780272), (2558, 7890136), (5116, 3945068), (10232, 1972534), (20464, 986267)]