20644084

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 36953280

約数和(自身を除く): 16309196

約数列:

[1, 2, 4, 89, 103, 178, 206, 356, 412, 563, 1126, 2252, 9167, 18334, 36668, 50107, 57989, 100214, 115978, 200428, 231956, 5161021, 10322042, 20644084]

約数ペア:

[(1, 20644084), (2, 10322042), (4, 5161021), (89, 231956), (103, 200428), (178, 115978), (206, 100214), (356, 57989), (412, 50107), (563, 36668), (1126, 18334), (2252, 9167)]