20975908095

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{23201}}^1$

素因数の和:23433

約数の個数: 64

約数和(自身を含む): 38511607680

約数和(自身を除く): 17535699585

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 181, 185, 333, 543, 555, 905, 999, 1629, 1665, 2715, 4887, 4995, 6697, 8145, 20091, 23201, 24435, 33485, 60273, 69603, 100455, 116005, 180819, 208809, 301365, 348015, 626427, 858437, 904095, 1044045, 2575311, 3132135, 4199381, 4292185, 7725933, 12598143, 12876555, 20996905, 23177799, 37794429, 38629665, 62990715, 113383287, 115888995, 155377097, 188972145, 466131291, 566916435, 776885485, 1398393873, 2330656455, 4195181619, 6991969365, 20975908095]

約数ペア:

[(1, 20975908095), (3, 6991969365), (5, 4195181619), (9, 2330656455), (15, 1398393873), (27, 776885485), (37, 566916435), (45, 466131291), (111, 188972145), (135, 155377097), (181, 115888995), (185, 113383287), (333, 62990715), (543, 38629665), (555, 37794429), (905, 23177799), (999, 20996905), (1629, 12876555), (1665, 12598143), (2715, 7725933), (4887, 4292185), (4995, 4199381), (6697, 3132135), (8145, 2575311), (20091, 1044045), (23201, 904095), (24435, 858437), (33485, 626427), (60273, 348015), (69603, 301365), (100455, 208809), (116005, 180819)]