206540870

素因数分解:

$2^1\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{19001}}^1$

素因数の和:20095

約数の個数: 16

約数和(自身を含む): 372135168

約数和(自身を除く): 165594298

約数列:

[1, 2, 5, 10, 1087, 2174, 5435, 10870, 19001, 38002, 95005, 190010, 20654087, 41308174, 103270435, 206540870]

約数ペア:

[(1, 206540870), (2, 103270435), (5, 41308174), (10, 20654087), (1087, 190010), (2174, 95005), (5435, 38002), (10870, 19001)]