20107958

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1520

約数の個数: 24

約数和(自身を含む): 33480216

約数和(自身を除く): 13372258

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 1451, 2902, 6929, 13858, 18863, 37726, 59491, 118982, 245219, 490438, 773383, 1546766, 10053979, 20107958]

約数ペア:

[(1, 20107958), (2, 10053979), (13, 1546766), (26, 773383), (41, 490438), (82, 245219), (169, 118982), (338, 59491), (533, 37726), (1066, 18863), (1451, 13858), (2902, 6929)]