20731640377

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{10457}}^1\times {\mathrm{4643}}^1$

素因数の和:15168

約数の個数: 16

約数和(自身を含む): 24089208192

約数和(自身を除く): 3357567815

約数列:

[1, 7, 61, 427, 4643, 10457, 32501, 73199, 283223, 637877, 1982561, 4465139, 48551851, 339862957, 2961662911, 20731640377]

約数ペア:

[(1, 20731640377), (7, 2961662911), (61, 339862957), (427, 48551851), (4643, 4465139), (10457, 1982561), (32501, 637877), (73199, 283223)]