16720776

素因数分解:

$2^3\times 3^3\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 46800000

約数和(自身を除く): 30079224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 199, 216, 389, 398, 597, 778, 796, 1167, 1194, 1556, 1592, 1791, 2334, 2388, 3112, 3501, 3582, 4668, 4776, 5373, 7002, 7164, 9336, 10503, 10746, 14004, 14328, 21006, 21492, 28008, 42012, 42984, 77411, 84024, 154822, 232233, 309644, 464466, 619288, 696699, 928932, 1393398, 1857864, 2090097, 2786796, 4180194, 5573592, 8360388, 16720776]

約数ペア:

[(1, 16720776), (2, 8360388), (3, 5573592), (4, 4180194), (6, 2786796), (8, 2090097), (9, 1857864), (12, 1393398), (18, 928932), (24, 696699), (27, 619288), (36, 464466), (54, 309644), (72, 232233), (108, 154822), (199, 84024), (216, 77411), (389, 42984), (398, 42012), (597, 28008), (778, 21492), (796, 21006), (1167, 14328), (1194, 14004), (1556, 10746), (1592, 10503), (1791, 9336), (2334, 7164), (2388, 7002), (3112, 5373), (3501, 4776), (3582, 4668)]