20106155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5501}}^1$

素因数の和:5566

約数の個数: 16

約数和(自身を含む): 26145504

約数和(自身を除く): 6039349

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5501, 27505, 93517, 236543, 467585, 1182715, 4021231, 20106155]

約数ペア:

[(1, 20106155), (5, 4021231), (17, 1182715), (43, 467585), (85, 236543), (215, 93517), (731, 27505), (3655, 5501)]