20201398245

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2087}}^1\times {\mathrm{10243}}^1$

素因数の和:12351

約数の個数: 64

約数和(自身を含む): 41067786240

約数和(自身を除く): 20866387995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2087, 6261, 10243, 10435, 14609, 18783, 30729, 31305, 43827, 51215, 56349, 71701, 73045, 92187, 93915, 131481, 153645, 215103, 219135, 276561, 281745, 358505, 394443, 460935, 645309, 657405, 1075515, 1382805, 1935927, 1972215, 3226545, 9679635, 21377141, 64131423, 106885705, 149639987, 192394269, 320657115, 448919961, 577182807, 748199935, 961971345, 1346759883, 2244599805, 2885914035, 4040279649, 6733799415, 20201398245]

約数ペア:

[(1, 20201398245), (3, 6733799415), (5, 4040279649), (7, 2885914035), (9, 2244599805), (15, 1346759883), (21, 961971345), (27, 748199935), (35, 577182807), (45, 448919961), (63, 320657115), (105, 192394269), (135, 149639987), (189, 106885705), (315, 64131423), (945, 21377141), (2087, 9679635), (6261, 3226545), (10243, 1972215), (10435, 1935927), (14609, 1382805), (18783, 1075515), (30729, 657405), (31305, 645309), (43827, 460935), (51215, 394443), (56349, 358505), (71701, 281745), (73045, 276561), (92187, 219135), (93915, 215103), (131481, 153645)]