20138431684

素因数分解:

$2^2\times 7^1\times {\mathrm{719229703}}^1$

素因数の和:719229714

約数の個数: 12

約数和(自身を含む): 40276863424

約数和(自身を除く): 20138431740

約数列:

[1, 2, 4, 7, 14, 28, 719229703, 1438459406, 2876918812, 5034607921, 10069215842, 20138431684]

約数ペア:

[(1, 20138431684), (2, 10069215842), (4, 5034607921), (7, 2876918812), (14, 1438459406), (28, 719229703)]