20050205

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4373}}^1$

素因数の和:4516

約数の個数: 16

約数和(自身を含む): 27713664

約数和(自身を除く): 7663459

約数列:

[1, 5, 7, 35, 131, 655, 917, 4373, 4585, 21865, 30611, 153055, 572863, 2864315, 4010041, 20050205]

約数ペア:

[(1, 20050205), (5, 4010041), (7, 2864315), (35, 572863), (131, 153055), (655, 30611), (917, 21865), (4373, 4585)]