20672395

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 25391520

約数和(自身を除く): 4719125

約数列:

[1, 5, 83, 109, 415, 457, 545, 2285, 9047, 37931, 45235, 49813, 189655, 249065, 4134479, 20672395]

約数ペア:

[(1, 20672395), (5, 4134479), (83, 249065), (109, 189655), (415, 49813), (457, 45235), (545, 37931), (2285, 9047)]