20670496

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8389}}^1$

素因数の和:8417

約数の個数: 48

約数和(自身を含む): 50742720

約数和(自身を除く): 30072224

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8389, 16778, 33556, 58723, 67112, 92279, 117446, 134224, 184558, 234892, 268448, 369116, 469784, 645953, 738232, 939568, 1291906, 1476464, 1879136, 2583812, 2952928, 5167624, 10335248, 20670496]

約数ペア:

[(1, 20670496), (2, 10335248), (4, 5167624), (7, 2952928), (8, 2583812), (11, 1879136), (14, 1476464), (16, 1291906), (22, 939568), (28, 738232), (32, 645953), (44, 469784), (56, 369116), (77, 268448), (88, 234892), (112, 184558), (154, 134224), (176, 117446), (224, 92279), (308, 67112), (352, 58723), (616, 33556), (1232, 16778), (2464, 8389)]