20551430172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18819991}}^1$

素因数の和:18820018

約数の個数: 48

約数和(自身を含む): 59019494912

約数和(自身を除く): 38468064740

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18819991, 37639982, 56459973, 75279964, 112919946, 131739937, 225839892, 244659883, 263479874, 395219811, 489319766, 526959748, 733979649, 790439622, 978639532, 1467959298, 1580879244, 1712619181, 2935918596, 3425238362, 5137857543, 6850476724, 10275715086, 20551430172]

約数ペア:

[(1, 20551430172), (2, 10275715086), (3, 6850476724), (4, 5137857543), (6, 3425238362), (7, 2935918596), (12, 1712619181), (13, 1580879244), (14, 1467959298), (21, 978639532), (26, 790439622), (28, 733979649), (39, 526959748), (42, 489319766), (52, 395219811), (78, 263479874), (84, 244659883), (91, 225839892), (156, 131739937), (182, 112919946), (273, 75279964), (364, 56459973), (546, 37639982), (1092, 18819991)]