20940312

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 54362880

約数和(自身を除く): 33422568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 103, 129, 172, 197, 206, 258, 309, 344, 394, 412, 516, 591, 618, 788, 824, 1032, 1182, 1236, 1576, 2364, 2472, 4429, 4728, 8471, 8858, 13287, 16942, 17716, 20291, 25413, 26574, 33884, 35432, 40582, 50826, 53148, 60873, 67768, 81164, 101652, 106296, 121746, 162328, 203304, 243492, 486984, 872513, 1745026, 2617539, 3490052, 5235078, 6980104, 10470156, 20940312]

約数ペア:

[(1, 20940312), (2, 10470156), (3, 6980104), (4, 5235078), (6, 3490052), (8, 2617539), (12, 1745026), (24, 872513), (43, 486984), (86, 243492), (103, 203304), (129, 162328), (172, 121746), (197, 106296), (206, 101652), (258, 81164), (309, 67768), (344, 60873), (394, 53148), (412, 50826), (516, 40582), (591, 35432), (618, 33884), (788, 26574), (824, 25413), (1032, 20291), (1182, 17716), (1236, 16942), (1576, 13287), (2364, 8858), (2472, 8471), (4429, 4728)]