20181877205

素因数分解:

$5^1\times 7^2\times {\mathrm{12829}}^1\times {\mathrm{6421}}^1$

素因数の和:19269

約数の個数: 24

約数和(自身を含む): 28178836920

約数和(自身を除く): 7996959715

約数列:

[1, 5, 7, 35, 49, 245, 6421, 12829, 32105, 44947, 64145, 89803, 224735, 314629, 449015, 628621, 1573145, 3143105, 82375009, 411875045, 576625063, 2883125315, 4036375441, 20181877205]

約数ペア:

[(1, 20181877205), (5, 4036375441), (7, 2883125315), (35, 576625063), (49, 411875045), (245, 82375009), (6421, 3143105), (12829, 1573145), (32105, 628621), (44947, 449015), (64145, 314629), (89803, 224735)]