20218130

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22717}}^1$

素因数の和:22813

約数の個数: 16

約数和(自身を含む): 36803160

約数和(自身を除く): 16585030

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22717, 45434, 113585, 227170, 2021813, 4043626, 10109065, 20218130]

約数ペア:

[(1, 20218130), (2, 10109065), (5, 4043626), (10, 2021813), (89, 227170), (178, 113585), (445, 45434), (890, 22717)]