20790762237

素因数分解:

$3^4\times 7^1\times {\mathrm{36668011}}^1$

素因数の和:36668030

約数の個数: 20

約数和(自身を含む): 35494635616

約数和(自身を除く): 14703873379

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36668011, 110004033, 256676077, 330012099, 770028231, 990036297, 2310084693, 2970108891, 6930254079, 20790762237]

約数ペア:

[(1, 20790762237), (3, 6930254079), (7, 2970108891), (9, 2310084693), (21, 990036297), (27, 770028231), (63, 330012099), (81, 256676077), (189, 110004033), (567, 36668011)]