20494539

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19463}}^1$

素因数の和:19488

約数の個数: 20

約数和(自身を含む): 32972016

約数和(自身を除く): 12477477

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19463, 58389, 175167, 253019, 525501, 759057, 1576503, 2277171, 6831513, 20494539]

約数ペア:

[(1, 20494539), (3, 6831513), (9, 2277171), (13, 1576503), (27, 759057), (39, 525501), (81, 253019), (117, 175167), (351, 58389), (1053, 19463)]