20539156959

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2083}}^1$

素因数の和:2306

約数の個数: 80

約数和(自身を含む): 33285648000

約数和(自身を除く): 12746491041

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 149, 171, 387, 447, 513, 817, 1161, 1341, 1539, 2083, 2451, 2831, 3483, 4023, 6249, 6407, 7353, 8493, 12069, 18747, 19221, 22059, 25479, 39577, 56241, 57663, 66177, 76437, 89569, 118731, 121733, 168723, 172989, 229311, 268707, 310367, 356193, 365199, 518967, 806121, 931101, 1068579, 1095597, 1701811, 2418363, 2793303, 3205737, 3286791, 5105433, 5896973, 7255089, 8379909, 9860373, 13345781, 15316299, 17690919, 25139727, 40037343, 45948897, 53072757, 120112029, 137846691, 159218271, 253569839, 360336087, 477654813, 760709517, 1081008261, 2282128551, 6846385653, 20539156959]

約数ペア:

[(1, 20539156959), (3, 6846385653), (9, 2282128551), (19, 1081008261), (27, 760709517), (43, 477654813), (57, 360336087), (81, 253569839), (129, 159218271), (149, 137846691), (171, 120112029), (387, 53072757), (447, 45948897), (513, 40037343), (817, 25139727), (1161, 17690919), (1341, 15316299), (1539, 13345781), (2083, 9860373), (2451, 8379909), (2831, 7255089), (3483, 5896973), (4023, 5105433), (6249, 3286791), (6407, 3205737), (7353, 2793303), (8493, 2418363), (12069, 1701811), (18747, 1095597), (19221, 1068579), (22059, 931101), (25479, 806121), (39577, 518967), (56241, 365199), (57663, 356193), (66177, 310367), (76437, 268707), (89569, 229311), (118731, 172989), (121733, 168723)]