20687535242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{670237}}^1$

素因数の和:670334

約数の個数: 32

約数和(自身を含む): 35903309184

約数和(自身を除く): 15215773942

約数列:

[1, 2, 11, 22, 23, 46, 61, 122, 253, 506, 671, 1342, 1403, 2806, 15433, 30866, 670237, 1340474, 7372607, 14745214, 15415451, 30830902, 40884457, 81768914, 169569961, 339139922, 449729027, 899458054, 940342511, 1880685022, 10343767621, 20687535242]

約数ペア:

[(1, 20687535242), (2, 10343767621), (11, 1880685022), (22, 940342511), (23, 899458054), (46, 449729027), (61, 339139922), (122, 169569961), (253, 81768914), (506, 40884457), (671, 30830902), (1342, 15415451), (1403, 14745214), (2806, 7372607), (15433, 1340474), (30866, 670237)]