20551041

素因数分解:

$3^2\times 7^2\times {\mathrm{46601}}^1$

素因数の和:46621

約数の個数: 18

約数和(自身を含む): 34532082

約数和(自身を除く): 13981041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46601, 139803, 326207, 419409, 978621, 2283449, 2935863, 6850347, 20551041]

約数ペア:

[(1, 20551041), (3, 6850347), (7, 2935863), (9, 2283449), (21, 978621), (49, 419409), (63, 326207), (147, 139803), (441, 46601)]