20830071

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1523}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 28675584

約数和(自身を除く): 7845513

約数列:

[1, 3, 47, 97, 141, 291, 1523, 4559, 4569, 13677, 71581, 147731, 214743, 443193, 6943357, 20830071]

約数ペア:

[(1, 20830071), (3, 6943357), (47, 443193), (97, 214743), (141, 147731), (291, 71581), (1523, 13677), (4559, 4569)]