20171635568

素因数分解:

$2^4\times 7^2\times {\mathrm{1867}}^1\times {\mathrm{13781}}^1$

素因数の和:15670

約数の個数: 60

約数和(自身を含む): 45491019192

約数和(自身を除く): 25319383624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1867, 3734, 7468, 13069, 13781, 14936, 26138, 27562, 29872, 52276, 55124, 91483, 96467, 104552, 110248, 182966, 192934, 209104, 220496, 365932, 385868, 675269, 731864, 771736, 1350538, 1463728, 1543472, 2701076, 5402152, 10804304, 25729127, 51458254, 102916508, 180103889, 205833016, 360207778, 411666032, 720415556, 1260727223, 1440831112, 2521454446, 2881662224, 5042908892, 10085817784, 20171635568]

約数ペア:

[(1, 20171635568), (2, 10085817784), (4, 5042908892), (7, 2881662224), (8, 2521454446), (14, 1440831112), (16, 1260727223), (28, 720415556), (49, 411666032), (56, 360207778), (98, 205833016), (112, 180103889), (196, 102916508), (392, 51458254), (784, 25729127), (1867, 10804304), (3734, 5402152), (7468, 2701076), (13069, 1543472), (13781, 1463728), (14936, 1350538), (26138, 771736), (27562, 731864), (29872, 675269), (52276, 385868), (55124, 365932), (91483, 220496), (96467, 209104), (104552, 192934), (110248, 182966)]