20585187

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1693}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 34178144

約数和(自身を除く): 13592957

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1693, 1737, 4053, 5079, 11851, 12159, 15237, 35553, 106659, 326749, 980247, 2287243, 2940741, 6861729, 20585187]

約数ペア:

[(1, 20585187), (3, 6861729), (7, 2940741), (9, 2287243), (21, 980247), (63, 326749), (193, 106659), (579, 35553), (1351, 15237), (1693, 12159), (1737, 11851), (4053, 5079)]