20349324

素因数分解:

$2^2\times 3^2\times {\mathrm{565259}}^1$

素因数の和:565269

約数の個数: 18

約数和(自身を含む): 51438660

約数和(自身を除く): 31089336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 565259, 1130518, 1695777, 2261036, 3391554, 5087331, 6783108, 10174662, 20349324]

約数ペア:

[(1, 20349324), (2, 10174662), (3, 6783108), (4, 5087331), (6, 3391554), (9, 2261036), (12, 1695777), (18, 1130518), (36, 565259)]