20942037

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{20963}}^1$

素因数の和:21009

約数の個数: 16

約数和(自身を含む): 31865280

約数和(自身を除く): 10923243

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 20963, 62889, 188667, 566001, 775631, 2326893, 6980679, 20942037]

約数ペア:

[(1, 20942037), (3, 6980679), (9, 2326893), (27, 775631), (37, 566001), (111, 188667), (333, 62889), (999, 20963)]