20373885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64679}}^1$

素因数の和:64697

約数の個数: 24

約数和(自身を含む): 40360320

約数和(自身を除く): 19986435

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64679, 194037, 323395, 452753, 582111, 970185, 1358259, 2263765, 2910555, 4074777, 6791295, 20373885]

約数ペア:

[(1, 20373885), (3, 6791295), (5, 4074777), (7, 2910555), (9, 2263765), (15, 1358259), (21, 970185), (35, 582111), (45, 452753), (63, 323395), (105, 194037), (315, 64679)]