20348832170

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28660327}}^1$

素因数の和:28660405

約数の個数: 16

約数和(自身を含む): 37143785088

約数和(自身を除く): 16794952918

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28660327, 57320654, 143301635, 286603270, 2034883217, 4069766434, 10174416085, 20348832170]

約数ペア:

[(1, 20348832170), (2, 10174416085), (5, 4069766434), (10, 2034883217), (71, 286603270), (142, 143301635), (355, 57320654), (710, 28660327)]