20420568

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1357

約数の個数: 96

約数和(自身を含む): 65295360

約数和(自身を除く): 44874792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 62, 63, 72, 84, 93, 124, 126, 168, 186, 217, 248, 252, 279, 372, 434, 504, 558, 651, 744, 868, 1116, 1302, 1307, 1736, 1953, 2232, 2604, 2614, 3906, 3921, 5208, 5228, 7812, 7842, 9149, 10456, 11763, 15624, 15684, 18298, 23526, 27447, 31368, 36596, 40517, 47052, 54894, 73192, 81034, 82341, 94104, 109788, 121551, 162068, 164682, 219576, 243102, 283619, 324136, 329364, 364653, 486204, 567238, 658728, 729306, 850857, 972408, 1134476, 1458612, 1701714, 2268952, 2552571, 2917224, 3403428, 5105142, 6806856, 10210284, 20420568]

約数ペア:

[(1, 20420568), (2, 10210284), (3, 6806856), (4, 5105142), (6, 3403428), (7, 2917224), (8, 2552571), (9, 2268952), (12, 1701714), (14, 1458612), (18, 1134476), (21, 972408), (24, 850857), (28, 729306), (31, 658728), (36, 567238), (42, 486204), (56, 364653), (62, 329364), (63, 324136), (72, 283619), (84, 243102), (93, 219576), (124, 164682), (126, 162068), (168, 121551), (186, 109788), (217, 94104), (248, 82341), (252, 81034), (279, 73192), (372, 54894), (434, 47052), (504, 40517), (558, 36596), (651, 31368), (744, 27447), (868, 23526), (1116, 18298), (1302, 15684), (1307, 15624), (1736, 11763), (1953, 10456), (2232, 9149), (2604, 7842), (2614, 7812), (3906, 5228), (3921, 5208)]