20654757

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1024

約数の個数: 28

約数和(自身を含む): 32068620

約数和(自身を除く): 11413863

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 977, 2349, 2931, 7047, 8793, 21141, 26379, 28333, 79137, 84999, 237411, 254997, 712233, 764991, 2294973, 6884919, 20654757]

約数ペア:

[(1, 20654757), (3, 6884919), (9, 2294973), (27, 764991), (29, 712233), (81, 254997), (87, 237411), (243, 84999), (261, 79137), (729, 28333), (783, 26379), (977, 21141), (2349, 8793), (2931, 7047)]