20812344

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 61787520

約数和(自身を除く): 40975176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 67, 84, 86, 129, 134, 168, 172, 201, 258, 268, 301, 344, 402, 469, 516, 536, 602, 804, 903, 938, 1032, 1204, 1407, 1608, 1806, 1849, 1876, 2408, 2814, 2881, 3612, 3698, 3752, 5547, 5628, 5762, 7224, 7396, 8643, 11094, 11256, 11524, 12943, 14792, 17286, 20167, 22188, 23048, 25886, 34572, 38829, 40334, 44376, 51772, 60501, 69144, 77658, 80668, 103544, 121002, 123883, 155316, 161336, 242004, 247766, 310632, 371649, 484008, 495532, 743298, 867181, 991064, 1486596, 1734362, 2601543, 2973192, 3468724, 5203086, 6937448, 10406172, 20812344]

約数ペア:

[(1, 20812344), (2, 10406172), (3, 6937448), (4, 5203086), (6, 3468724), (7, 2973192), (8, 2601543), (12, 1734362), (14, 1486596), (21, 991064), (24, 867181), (28, 743298), (42, 495532), (43, 484008), (56, 371649), (67, 310632), (84, 247766), (86, 242004), (129, 161336), (134, 155316), (168, 123883), (172, 121002), (201, 103544), (258, 80668), (268, 77658), (301, 69144), (344, 60501), (402, 51772), (469, 44376), (516, 40334), (536, 38829), (602, 34572), (804, 25886), (903, 23048), (938, 22188), (1032, 20167), (1204, 17286), (1407, 14792), (1608, 12943), (1806, 11524), (1849, 11256), (1876, 11094), (2408, 8643), (2814, 7396), (2881, 7224), (3612, 5762), (3698, 5628), (3752, 5547)]