20069144

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 38685600

約数和(自身を除く): 18616456

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 356, 397, 568, 712, 794, 1588, 3176, 6319, 12638, 25276, 28187, 35333, 50552, 56374, 70666, 112748, 141332, 225496, 282664, 2508643, 5017286, 10034572, 20069144]

約数ペア:

[(1, 20069144), (2, 10034572), (4, 5017286), (8, 2508643), (71, 282664), (89, 225496), (142, 141332), (178, 112748), (284, 70666), (356, 56374), (397, 50552), (568, 35333), (712, 28187), (794, 25276), (1588, 12638), (3176, 6319)]