20590213

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2437}}^1$

素因数の和:2532

約数の個数: 16

約数和(自身を含む): 25277184

約数和(自身を除く): 4686971

約数列:

[1, 7, 17, 71, 119, 497, 1207, 2437, 8449, 17059, 41429, 173027, 290003, 1211189, 2941459, 20590213]

約数ペア:

[(1, 20590213), (7, 2941459), (17, 1211189), (71, 290003), (119, 173027), (497, 41429), (1207, 17059), (2437, 8449)]