20290656

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12433}}^1$

素因数の和:12463

約数の個数: 48

約数和(自身を含む): 56400624

約数和(自身を除く): 36109968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12433, 24866, 37299, 49732, 74598, 99464, 149196, 198928, 211361, 298392, 397856, 422722, 596784, 634083, 845444, 1193568, 1268166, 1690888, 2536332, 3381776, 5072664, 6763552, 10145328, 20290656]

約数ペア:

[(1, 20290656), (2, 10145328), (3, 6763552), (4, 5072664), (6, 3381776), (8, 2536332), (12, 1690888), (16, 1268166), (17, 1193568), (24, 845444), (32, 634083), (34, 596784), (48, 422722), (51, 397856), (68, 298392), (96, 211361), (102, 198928), (136, 149196), (204, 99464), (272, 74598), (408, 49732), (544, 37299), (816, 24866), (1632, 12433)]