20552667

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1489}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 28321920

約数和(自身を除く): 7769253

約数列:

[1, 3, 43, 107, 129, 321, 1489, 4467, 4601, 13803, 64027, 159323, 192081, 477969, 6850889, 20552667]

約数ペア:

[(1, 20552667), (3, 6850889), (43, 477969), (107, 192081), (129, 159323), (321, 64027), (1489, 13803), (4467, 4601)]