20406948345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{307033}}^1$

素因数の和:307262

約数の個数: 48

約数和(自身を含む): 40616913792

約数和(自身を除く): 20209965447

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 211, 315, 633, 1055, 1477, 1899, 3165, 4431, 7385, 9495, 13293, 22155, 66465, 307033, 921099, 1535165, 2149231, 2763297, 4605495, 6447693, 10746155, 13816485, 19343079, 32238465, 64783963, 96715395, 194351889, 323919815, 453487741, 583055667, 971759445, 1360463223, 2267438705, 2915278335, 4081389669, 6802316115, 20406948345]

約数ペア:

[(1, 20406948345), (3, 6802316115), (5, 4081389669), (7, 2915278335), (9, 2267438705), (15, 1360463223), (21, 971759445), (35, 583055667), (45, 453487741), (63, 323919815), (105, 194351889), (211, 96715395), (315, 64783963), (633, 32238465), (1055, 19343079), (1477, 13816485), (1899, 10746155), (3165, 6447693), (4431, 4605495), (7385, 2763297), (9495, 2149231), (13293, 1535165), (22155, 921099), (66465, 307033)]