20848179

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 30983680

約数和(自身を除く): 10135501

約数列:

[1, 3, 11, 33, 79, 121, 237, 363, 727, 869, 2181, 2607, 7997, 9559, 23991, 28677, 57433, 87967, 172299, 263901, 631763, 1895289, 6949393, 20848179]

約数ペア:

[(1, 20848179), (3, 6949393), (11, 1895289), (33, 631763), (79, 263901), (121, 172299), (237, 87967), (363, 57433), (727, 28677), (869, 23991), (2181, 9559), (2607, 7997)]