20931097

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 24354432

約数和(自身を除く): 3423335

約数列:

[1, 11, 17, 173, 187, 647, 1903, 2941, 7117, 10999, 32351, 111931, 120989, 1231241, 1902827, 20931097]

約数ペア:

[(1, 20931097), (11, 1902827), (17, 1231241), (173, 120989), (187, 111931), (647, 32351), (1903, 10999), (2941, 7117)]