20388220993

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{4423}}^1\times {\mathrm{28631}}^1$

素因数の和:33084

約数の個数: 16

約数和(自身を含む): 24320249856

約数和(自身を除く): 3932028863

約数列:

[1, 7, 23, 161, 4423, 28631, 30961, 101729, 200417, 658513, 712103, 4609591, 126634913, 886444391, 2912602999, 20388220993]

約数ペア:

[(1, 20388220993), (7, 2912602999), (23, 886444391), (161, 126634913), (4423, 4609591), (28631, 712103), (30961, 658513), (101729, 200417)]