20183287768

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1391567}}^1$

素因数の和:1391624

約数の個数: 48

約数和(自身を含む): 45212044320

約数和(自身を除く): 25028756552

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1813, 2072, 3626, 7252, 14504, 1391567, 2783134, 5566268, 9740969, 11132536, 19481938, 38963876, 51487979, 68186783, 77927752, 102975958, 136373566, 205951916, 272747132, 360415853, 411903832, 545494264, 720831706, 1441663412, 2522910971, 2883326824, 5045821942, 10091643884, 20183287768]

約数ペア:

[(1, 20183287768), (2, 10091643884), (4, 5045821942), (7, 2883326824), (8, 2522910971), (14, 1441663412), (28, 720831706), (37, 545494264), (49, 411903832), (56, 360415853), (74, 272747132), (98, 205951916), (148, 136373566), (196, 102975958), (259, 77927752), (296, 68186783), (392, 51487979), (518, 38963876), (1036, 19481938), (1813, 11132536), (2072, 9740969), (3626, 5566268), (7252, 2783134), (14504, 1391567)]