20091206

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{571}}^1$

素因数の和:887

約数の個数: 16

約数和(自身を含む): 30730128

約数和(自身を除く): 10638922

約数列:

[1, 2, 73, 146, 241, 482, 571, 1142, 17593, 35186, 41683, 83366, 137611, 275222, 10045603, 20091206]

約数ペア:

[(1, 20091206), (2, 10045603), (73, 275222), (146, 137611), (241, 83366), (482, 41683), (571, 35186), (1142, 17593)]