20165278

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20287}}^1$

素因数の和:20367

約数の個数: 16

約数和(自身を含む): 35057664

約数和(自身を除く): 14892386

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20287, 40574, 142009, 284018, 1440377, 2880754, 10082639, 20165278]

約数ペア:

[(1, 20165278), (2, 10082639), (7, 2880754), (14, 1440377), (71, 284018), (142, 142009), (497, 40574), (994, 20287)]