20198019

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2239}}^1$

素因数の和:2370

約数の個数: 16

約数和(自身を含む): 28098560

約数和(自身を除く): 7900541

約数列:

[1, 3, 31, 93, 97, 291, 2239, 3007, 6717, 9021, 69409, 208227, 217183, 651549, 6732673, 20198019]

約数ペア:

[(1, 20198019), (3, 6732673), (31, 651549), (93, 217183), (97, 208227), (291, 69409), (2239, 9021), (3007, 6717)]