20512030179

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{648889}}^1$

素因数の和:649190

約数の個数: 16

約数和(自身を含む): 28125488160

約数和(自身を除く): 7613457981

約数列:

[1, 3, 41, 123, 257, 771, 10537, 31611, 648889, 1946667, 26604449, 79813347, 166764473, 500293419, 6837343393, 20512030179]

約数ペア:

[(1, 20512030179), (3, 6837343393), (41, 500293419), (123, 166764473), (257, 79813347), (771, 26604449), (10537, 1946667), (31611, 648889)]