20109334

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4492

約数の個数: 32

約数和(自身を含む): 38430720

約数和(自身を除く): 18321386

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4447, 4522, 8894, 31129, 62258, 75599, 84493, 151198, 168986, 529193, 591451, 1058386, 1182902, 1436381, 2872762, 10054667, 20109334]

約数ペア:

[(1, 20109334), (2, 10054667), (7, 2872762), (14, 1436381), (17, 1182902), (19, 1058386), (34, 591451), (38, 529193), (119, 168986), (133, 151198), (238, 84493), (266, 75599), (323, 62258), (646, 31129), (2261, 8894), (4447, 4522)]