20808822944

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1020841}}^1$

素因数の和:1020878

約数の個数: 72

約数和(自身を含む): 51321810708

約数和(自身を除く): 30512987764

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 20384, 1020841, 2041682, 4083364, 7145887, 8166728, 13270933, 14291774, 16333456, 26541866, 28583548, 32666912, 50021209, 53083732, 57167096, 92896531, 100042418, 106167464, 114334192, 185793062, 200084836, 212334928, 228668384, 371586124, 400169672, 424669856, 650275717, 743172248, 800339344, 1300551434, 1486344496, 1600678688, 2601102868, 2972688992, 5202205736, 10404411472, 20808822944]

約数ペア:

[(1, 20808822944), (2, 10404411472), (4, 5202205736), (7, 2972688992), (8, 2601102868), (13, 1600678688), (14, 1486344496), (16, 1300551434), (26, 800339344), (28, 743172248), (32, 650275717), (49, 424669856), (52, 400169672), (56, 371586124), (91, 228668384), (98, 212334928), (104, 200084836), (112, 185793062), (182, 114334192), (196, 106167464), (208, 100042418), (224, 92896531), (364, 57167096), (392, 53083732), (416, 50021209), (637, 32666912), (728, 28583548), (784, 26541866), (1274, 16333456), (1456, 14291774), (1568, 13270933), (2548, 8166728), (2912, 7145887), (5096, 4083364), (10192, 2041682), (20384, 1020841)]