20888147

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 24814272

約数和(自身を除く): 3926125

約数列:

[1, 7, 41, 73, 287, 511, 997, 2993, 6979, 20951, 40877, 72781, 286139, 509467, 2984021, 20888147]

約数ペア:

[(1, 20888147), (7, 2984021), (41, 509467), (73, 286139), (287, 72781), (511, 40877), (997, 20951), (2993, 6979)]