20768345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7793}}^1$

素因数の和:7852

約数の個数: 16

約数和(自身を含む): 27497232

約数和(自身を除く): 6728887

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7793, 38965, 101309, 319513, 506545, 1597565, 4153669, 20768345]

約数ペア:

[(1, 20768345), (5, 4153669), (13, 1597565), (41, 506545), (65, 319513), (205, 101309), (533, 38965), (2665, 7793)]