20768252988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{9029}}^1$

素因数の和:9379

約数の個数: 96

約数和(自身を含む): 56069798400

約数和(自身を除く): 35301545412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 197, 278, 394, 417, 556, 591, 788, 834, 973, 1182, 1379, 1668, 1946, 2364, 2758, 2919, 3892, 4137, 5516, 5838, 8274, 9029, 11676, 16548, 18058, 27087, 27383, 36116, 54174, 54766, 63203, 82149, 108348, 109532, 126406, 164298, 189609, 191681, 252812, 328596, 379218, 383362, 575043, 758436, 766724, 1150086, 1255031, 1778713, 2300172, 2510062, 3557426, 3765093, 5020124, 5336139, 7114852, 7530186, 8785217, 10672278, 12450991, 15060372, 17570434, 21344556, 24901982, 26355651, 35140868, 37352973, 49803964, 52711302, 74705946, 105422604, 149411892, 247241107, 494482214, 741723321, 988964428, 1483446642, 1730687749, 2966893284, 3461375498, 5192063247, 6922750996, 10384126494, 20768252988]

約数ペア:

[(1, 20768252988), (2, 10384126494), (3, 6922750996), (4, 5192063247), (6, 3461375498), (7, 2966893284), (12, 1730687749), (14, 1483446642), (21, 988964428), (28, 741723321), (42, 494482214), (84, 247241107), (139, 149411892), (197, 105422604), (278, 74705946), (394, 52711302), (417, 49803964), (556, 37352973), (591, 35140868), (788, 26355651), (834, 24901982), (973, 21344556), (1182, 17570434), (1379, 15060372), (1668, 12450991), (1946, 10672278), (2364, 8785217), (2758, 7530186), (2919, 7114852), (3892, 5336139), (4137, 5020124), (5516, 3765093), (5838, 3557426), (8274, 2510062), (9029, 2300172), (11676, 1778713), (16548, 1255031), (18058, 1150086), (27087, 766724), (27383, 758436), (36116, 575043), (54174, 383362), (54766, 379218), (63203, 328596), (82149, 252812), (108348, 191681), (109532, 189609), (126406, 164298)]