20611912

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 39745080

約数和(自身を除く): 19133168

約数列:

[1, 2, 4, 8, 53, 106, 173, 212, 281, 346, 424, 562, 692, 1124, 1384, 2248, 9169, 14893, 18338, 29786, 36676, 48613, 59572, 73352, 97226, 119144, 194452, 388904, 2576489, 5152978, 10305956, 20611912]

約数ペア:

[(1, 20611912), (2, 10305956), (4, 5152978), (8, 2576489), (53, 388904), (106, 194452), (173, 119144), (212, 97226), (281, 73352), (346, 59572), (424, 48613), (562, 36676), (692, 29786), (1124, 18338), (1384, 14893), (2248, 9169)]