20577222

素因数分解:

$2^1\times 3^2\times {\mathrm{277}}^1\times {\mathrm{4127}}^1$

素因数の和:4412

約数の個数: 24

約数和(自身を含む): 44755776

約数和(自身を除く): 24178554

約数列:

[1, 2, 3, 6, 9, 18, 277, 554, 831, 1662, 2493, 4127, 4986, 8254, 12381, 24762, 37143, 74286, 1143179, 2286358, 3429537, 6859074, 10288611, 20577222]

約数ペア:

[(1, 20577222), (2, 10288611), (3, 6859074), (6, 3429537), (9, 2286358), (18, 1143179), (277, 74286), (554, 37143), (831, 24762), (1662, 12381), (2493, 8254), (4127, 4986)]