20512142616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{71443}}^1$

素因数の和:73168

約数の個数: 64

約数和(自身を含む): 58641235200

約数和(自身を除く): 38129092584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1709, 3418, 5127, 6836, 10254, 11963, 13672, 20508, 23926, 35889, 41016, 47852, 71443, 71778, 95704, 142886, 143556, 214329, 285772, 287112, 428658, 500101, 571544, 857316, 1000202, 1500303, 1714632, 2000404, 3000606, 4000808, 6001212, 12002424, 122096087, 244192174, 366288261, 488384348, 732576522, 854672609, 976768696, 1465153044, 1709345218, 2564017827, 2930306088, 3418690436, 5128035654, 6837380872, 10256071308, 20512142616]

約数ペア:

[(1, 20512142616), (2, 10256071308), (3, 6837380872), (4, 5128035654), (6, 3418690436), (7, 2930306088), (8, 2564017827), (12, 1709345218), (14, 1465153044), (21, 976768696), (24, 854672609), (28, 732576522), (42, 488384348), (56, 366288261), (84, 244192174), (168, 122096087), (1709, 12002424), (3418, 6001212), (5127, 4000808), (6836, 3000606), (10254, 2000404), (11963, 1714632), (13672, 1500303), (20508, 1000202), (23926, 857316), (35889, 571544), (41016, 500101), (47852, 428658), (71443, 287112), (71778, 285772), (95704, 214329), (142886, 143556)]