20554906

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{3121}}^1$

素因数の和:3249

約数の個数: 16

約数和(自身を含む): 32031720

約数和(自身を除く): 11476814

約数列:

[1, 2, 37, 74, 89, 178, 3121, 3293, 6242, 6586, 115477, 230954, 277769, 555538, 10277453, 20554906]

約数ペア:

[(1, 20554906), (2, 10277453), (37, 555538), (74, 277769), (89, 230954), (178, 115477), (3121, 6586), (3293, 6242)]