20279446

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12983}}^1$

素因数の和:13067

約数の個数: 16

約数和(自身を含む): 33654528

約数和(自身を除く): 13375082

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12983, 25966, 142813, 285626, 921793, 1843586, 10139723, 20279446]

約数ペア:

[(1, 20279446), (2, 10139723), (11, 1843586), (22, 921793), (71, 285626), (142, 142813), (781, 25966), (1562, 12983)]