20512791

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{58441}}^1$

素因数の和:58463

約数の個数: 16

約数和(自身を含む): 32727520

約数和(自身を除く): 12214729

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 58441, 175323, 525969, 759733, 1577907, 2279199, 6837597, 20512791]

約数ペア:

[(1, 20512791), (3, 6837597), (9, 2279199), (13, 1577907), (27, 759733), (39, 525969), (117, 175323), (351, 58441)]