20885326

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12329}}^1$

素因数の和:12360

約数の個数: 24

約数和(自身を含む): 39357360

約数和(自身を除く): 18472034

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12329, 24658, 86303, 135619, 172606, 271238, 949333, 1491809, 1898666, 2983618, 10442663, 20885326]

約数ペア:

[(1, 20885326), (2, 10442663), (7, 2983618), (11, 1898666), (14, 1491809), (22, 949333), (77, 271238), (121, 172606), (154, 135619), (242, 86303), (847, 24658), (1694, 12329)]