20200271

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4723}}^1$

素因数の和:4790

約数の個数: 16

約数和(自身を含む): 25396224

約数和(自身を除く): 5195953

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4723, 33061, 61399, 221981, 429793, 1553867, 2885753, 20200271]

約数ペア:

[(1, 20200271), (7, 2885753), (13, 1553867), (47, 429793), (91, 221981), (329, 61399), (611, 33061), (4277, 4723)]