20809211577

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1268777}}^1$

素因数の和:1268869

約数の個数: 32

約数和(自身を含む): 35079174144

約数和(自身を除く): 14269962567

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 16401, 1268777, 3806331, 8881439, 13956547, 26644317, 41869641, 90083167, 97695829, 270249501, 293087487, 630582169, 990914837, 1891746507, 2972744511, 6936403859, 20809211577]

約数ペア:

[(1, 20809211577), (3, 6936403859), (7, 2972744511), (11, 1891746507), (21, 990914837), (33, 630582169), (71, 293087487), (77, 270249501), (213, 97695829), (231, 90083167), (497, 41869641), (781, 26644317), (1491, 13956547), (2343, 8881439), (5467, 3806331), (16401, 1268777)]