20347928727

素因数分解:

$3^1\times 7^1\times {\mathrm{27809}}^1\times {\mathrm{34843}}^1$

素因数の和:62662

約数の個数: 16

約数和(自身を含む): 31008372480

約数和(自身を除く): 10660443753

約数列:

[1, 3, 7, 21, 27809, 34843, 83427, 104529, 194663, 243901, 583989, 731703, 968948987, 2906846961, 6782642909, 20347928727]

約数ペア:

[(1, 20347928727), (3, 6782642909), (7, 2906846961), (21, 968948987), (27809, 731703), (34843, 583989), (83427, 243901), (104529, 194663)]