20751808

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4211}}^1$

素因数の和:4241

約数の個数: 56

約数和(自身を含む): 51352704

約数和(自身を除く): 30600896

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4211, 4928, 8422, 16844, 29477, 33688, 46321, 58954, 67376, 92642, 117908, 134752, 185284, 235816, 269504, 324247, 370568, 471632, 648494, 741136, 943264, 1296988, 1482272, 1886528, 2593976, 2964544, 5187952, 10375904, 20751808]

約数ペア:

[(1, 20751808), (2, 10375904), (4, 5187952), (7, 2964544), (8, 2593976), (11, 1886528), (14, 1482272), (16, 1296988), (22, 943264), (28, 741136), (32, 648494), (44, 471632), (56, 370568), (64, 324247), (77, 269504), (88, 235816), (112, 185284), (154, 134752), (176, 117908), (224, 92642), (308, 67376), (352, 58954), (448, 46321), (616, 33688), (704, 29477), (1232, 16844), (2464, 8422), (4211, 4928)]