20417138

素因数分解:

$2^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{2213}}^1$

素因数の和:2881

約数の個数: 16

約数和(自身を含む): 35069760

約数和(自身を除く): 14652622

約数列:

[1, 2, 7, 14, 659, 1318, 2213, 4426, 4613, 9226, 15491, 30982, 1458367, 2916734, 10208569, 20417138]

約数ペア:

[(1, 20417138), (2, 10208569), (7, 2916734), (14, 1458367), (659, 30982), (1318, 15491), (2213, 9226), (4426, 4613)]