20728576

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 47903184

約数和(自身を除く): 27174608

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 433, 544, 704, 748, 866, 1088, 1408, 1496, 1732, 2176, 2816, 2992, 3464, 4352, 4763, 5984, 6928, 7361, 9526, 11968, 13856, 14722, 19052, 23936, 27712, 29444, 38104, 47872, 55424, 58888, 76208, 80971, 110848, 117776, 152416, 161942, 235552, 304832, 323884, 471104, 609664, 647768, 942208, 1219328, 1295536, 1884416, 2591072, 5182144, 10364288, 20728576]

約数ペア:

[(1, 20728576), (2, 10364288), (4, 5182144), (8, 2591072), (11, 1884416), (16, 1295536), (17, 1219328), (22, 942208), (32, 647768), (34, 609664), (44, 471104), (64, 323884), (68, 304832), (88, 235552), (128, 161942), (136, 152416), (176, 117776), (187, 110848), (256, 80971), (272, 76208), (352, 58888), (374, 55424), (433, 47872), (544, 38104), (704, 29444), (748, 27712), (866, 23936), (1088, 19052), (1408, 14722), (1496, 13856), (1732, 11968), (2176, 9526), (2816, 7361), (2992, 6928), (3464, 5984), (4352, 4763)]