20782175281

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2309}}^1$

素因数の和:2462

約数の個数: 64

約数和(自身を含む): 26966016000

約数和(自身を除く): 6183840719

約数列:

[1, 7, 19, 31, 37, 59, 133, 217, 259, 413, 589, 703, 1121, 1147, 1829, 2183, 2309, 4123, 4921, 7847, 8029, 12803, 15281, 16163, 21793, 34751, 41477, 43871, 67673, 71579, 85433, 136231, 152551, 243257, 290339, 307097, 473711, 501053, 598031, 953617, 1285787, 1360001, 1623227, 2588389, 2648423, 4223161, 5040547, 9000509, 9520007, 11362589, 18118723, 18538961, 29562127, 35283829, 50320037, 80240059, 95770393, 156256957, 352240259, 561680413, 670392751, 1093798699, 2968882183, 20782175281]

約数ペア:

[(1, 20782175281), (7, 2968882183), (19, 1093798699), (31, 670392751), (37, 561680413), (59, 352240259), (133, 156256957), (217, 95770393), (259, 80240059), (413, 50320037), (589, 35283829), (703, 29562127), (1121, 18538961), (1147, 18118723), (1829, 11362589), (2183, 9520007), (2309, 9000509), (4123, 5040547), (4921, 4223161), (7847, 2648423), (8029, 2588389), (12803, 1623227), (15281, 1360001), (16163, 1285787), (21793, 953617), (34751, 598031), (41477, 501053), (43871, 473711), (67673, 307097), (71579, 290339), (85433, 243257), (136231, 152551)]