20488152069

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{364993}}^1$

素因数の和:365029

約数の個数: 56

約数和(自身を含む): 38298090432

約数和(自身を除く): 17809938363

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 729, 891, 1701, 2079, 2673, 5103, 6237, 8019, 18711, 56133, 364993, 1094979, 2554951, 3284937, 4014923, 7664853, 9854811, 12044769, 22994559, 28104461, 29564433, 36134307, 68983677, 84313383, 88693299, 108402921, 206951031, 252940149, 266079897, 325208763, 620853093, 758820447, 975626289, 1862559279, 2276461341, 2926878867, 6829384023, 20488152069]

約数ペア:

[(1, 20488152069), (3, 6829384023), (7, 2926878867), (9, 2276461341), (11, 1862559279), (21, 975626289), (27, 758820447), (33, 620853093), (63, 325208763), (77, 266079897), (81, 252940149), (99, 206951031), (189, 108402921), (231, 88693299), (243, 84313383), (297, 68983677), (567, 36134307), (693, 29564433), (729, 28104461), (891, 22994559), (1701, 12044769), (2079, 9854811), (2673, 7664853), (5103, 4014923), (6237, 3284937), (8019, 2554951), (18711, 1094979), (56133, 364993)]