20512007157

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1\times {\mathrm{128273}}^1$

素因数の和:128780

約数の個数: 16

約数和(自身を含む): 27608669568

約数和(自身を除く): 7096662411

約数列:

[1, 3, 151, 353, 453, 1059, 53303, 128273, 159909, 384819, 19369223, 45280369, 58107669, 135841107, 6837335719, 20512007157]

約数ペア:

[(1, 20512007157), (3, 6837335719), (151, 135841107), (353, 58107669), (453, 45280369), (1059, 19369223), (53303, 384819), (128273, 159909)]