20349701589

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9056387}}^1$

素因数の和:9056504

約数の個数: 16

約数和(自身を含む): 31298876928

約数和(自身を除く): 10949175339

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9056387, 27169161, 63394709, 190184127, 969033409, 2907100227, 6783233863, 20349701589]

約数ペア:

[(1, 20349701589), (3, 6783233863), (7, 2907100227), (21, 969033409), (107, 190184127), (321, 63394709), (749, 27169161), (2247, 9056387)]