20674968

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 32668392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 97, 107, 166, 194, 214, 249, 291, 321, 332, 388, 428, 498, 582, 642, 664, 776, 856, 996, 1164, 1284, 1992, 2328, 2568, 8051, 8881, 10379, 16102, 17762, 20758, 24153, 26643, 31137, 32204, 35524, 41516, 48306, 53286, 62274, 64408, 71048, 83032, 96612, 106572, 124548, 193224, 213144, 249096, 861457, 1722914, 2584371, 3445828, 5168742, 6891656, 10337484, 20674968]

約数ペア:

[(1, 20674968), (2, 10337484), (3, 6891656), (4, 5168742), (6, 3445828), (8, 2584371), (12, 1722914), (24, 861457), (83, 249096), (97, 213144), (107, 193224), (166, 124548), (194, 106572), (214, 96612), (249, 83032), (291, 71048), (321, 64408), (332, 62274), (388, 53286), (428, 48306), (498, 41516), (582, 35524), (642, 32204), (664, 31137), (776, 26643), (856, 24153), (996, 20758), (1164, 17762), (1284, 16102), (1992, 10379), (2328, 8881), (2568, 8051)]