20454903

素因数分解:

$3^3\times 7^2\times {\mathrm{15461}}^1$

素因数の和:15484

約数の個数: 24

約数和(自身を含む): 35253360

約数和(自身を除く): 14798457

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15461, 46383, 108227, 139149, 324681, 417447, 757589, 974043, 2272767, 2922129, 6818301, 20454903]

約数ペア:

[(1, 20454903), (3, 6818301), (7, 2922129), (9, 2272767), (21, 974043), (27, 757589), (49, 417447), (63, 324681), (147, 139149), (189, 108227), (441, 46383), (1323, 15461)]