20450115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64921}}^1$

素因数の和:64939

約数の個数: 24

約数和(自身を含む): 40511328

約数和(自身を除く): 20061213

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64921, 194763, 324605, 454447, 584289, 973815, 1363341, 2272235, 2921445, 4090023, 6816705, 20450115]

約数ペア:

[(1, 20450115), (3, 6816705), (5, 4090023), (7, 2921445), (9, 2272235), (15, 1363341), (21, 973815), (35, 584289), (45, 454447), (63, 324605), (105, 194763), (315, 64921)]