20208978872

素因数分解:

$2^3\times {\mathrm{1187}}^1\times {\mathrm{2128157}}^1$

素因数の和:2129350

約数の個数: 16

約数和(自身を含む): 37923775560

約数和(自身を除く): 17714796688

約数列:

[1, 2, 4, 8, 1187, 2374, 4748, 9496, 2128157, 4256314, 8512628, 17025256, 2526122359, 5052244718, 10104489436, 20208978872]

約数ペア:

[(1, 20208978872), (2, 10104489436), (4, 5052244718), (8, 2526122359), (1187, 17025256), (2374, 8512628), (4748, 4256314), (9496, 2128157)]