20913754

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1$

素因数の和:785

約数の個数: 16

約数和(自身を含む): 31910760

約数和(自身を除く): 10997006

約数列:

[1, 2, 89, 178, 293, 401, 586, 802, 26077, 35689, 52154, 71378, 117493, 234986, 10456877, 20913754]

約数ペア:

[(1, 20913754), (2, 10456877), (89, 234986), (178, 117493), (293, 71378), (401, 52154), (586, 35689), (802, 26077)]