20455785

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9277}}^1$

素因数の和:9302

約数の個数: 36

約数和(自身を含む): 41249988

約数和(自身を除く): 20794203

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9277, 27831, 46385, 64939, 83493, 139155, 194817, 324695, 417465, 454573, 584451, 974085, 1363719, 2272865, 2922255, 4091157, 6818595, 20455785]

約数ペア:

[(1, 20455785), (3, 6818595), (5, 4091157), (7, 2922255), (9, 2272865), (15, 1363719), (21, 974085), (35, 584451), (45, 454573), (49, 417465), (63, 324695), (105, 194817), (147, 139155), (245, 83493), (315, 64939), (441, 46385), (735, 27831), (2205, 9277)]