20491695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65053}}^1$

素因数の和:65071

約数の個数: 24

約数和(自身を含む): 40593696

約数和(自身を除く): 20102001

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65053, 195159, 325265, 455371, 585477, 975795, 1366113, 2276855, 2927385, 4098339, 6830565, 20491695]

約数ペア:

[(1, 20491695), (3, 6830565), (5, 4098339), (7, 2927385), (9, 2276855), (15, 1366113), (21, 975795), (35, 585477), (45, 455371), (63, 325265), (105, 195159), (315, 65053)]