20754272

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8423}}^1$

素因数の和:8451

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 30194080

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, 8423, 16846, 33692, 58961, 67384, 92653, 117922, 134768, 185306, 235844, 269536, 370612, 471688, 648571, 741224, 943376, 1297142, 1482448, 1886752, 2594284, 2964896, 5188568, 10377136, 20754272]

約数ペア:

[(1, 20754272), (2, 10377136), (4, 5188568), (7, 2964896), (8, 2594284), (11, 1886752), (14, 1482448), (16, 1297142), (22, 943376), (28, 741224), (32, 648571), (44, 471688), (56, 370612), (77, 269536), (88, 235844), (112, 185306), (154, 134768), (176, 117922), (224, 92653), (308, 67384), (352, 58961), (616, 33692), (1232, 16846), (2464, 8423)]