20655663

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57859}}^1$

素因数の和:57886

約数の個数: 16

約数和(自身を含む): 33327360

約数和(自身を除く): 12671697

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57859, 173577, 405013, 983603, 1215039, 2950809, 6885221, 20655663]

約数ペア:

[(1, 20655663), (3, 6885221), (7, 2950809), (17, 1215039), (21, 983603), (51, 405013), (119, 173577), (357, 57859)]