20173025781

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13121}}^1$

素因数の和:13198

約数の個数: 64

約数和(自身を含む): 32710521600

約数和(自身を除く): 12537495819

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 243, 333, 513, 703, 729, 999, 1539, 2109, 2187, 2997, 4617, 6327, 8991, 13121, 13851, 18981, 26973, 39363, 41553, 56943, 80919, 118089, 170829, 249299, 354267, 485477, 512487, 747897, 1062801, 1456431, 1537461, 2243691, 3188403, 4369293, 6731073, 9224063, 9565209, 13107879, 20193219, 27672189, 28695627, 39323637, 60579657, 83016567, 117970911, 181738971, 249049701, 353912733, 545216913, 747149103, 1061738199, 2241447309, 6724341927, 20173025781]

約数ペア:

[(1, 20173025781), (3, 6724341927), (9, 2241447309), (19, 1061738199), (27, 747149103), (37, 545216913), (57, 353912733), (81, 249049701), (111, 181738971), (171, 117970911), (243, 83016567), (333, 60579657), (513, 39323637), (703, 28695627), (729, 27672189), (999, 20193219), (1539, 13107879), (2109, 9565209), (2187, 9224063), (2997, 6731073), (4617, 4369293), (6327, 3188403), (8991, 2243691), (13121, 1537461), (13851, 1456431), (18981, 1062801), (26973, 747897), (39363, 512487), (41553, 485477), (56943, 354267), (80919, 249299), (118089, 170829)]