20403152

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16561}}^1$

素因数の和:16587

約数の個数: 40

約数和(自身を含む): 49288512

約数和(自身を除く): 28885360

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16561, 33122, 66244, 115927, 132488, 182171, 231854, 264976, 364342, 463708, 728684, 927416, 1275197, 1457368, 1854832, 2550394, 2914736, 5100788, 10201576, 20403152]

約数ペア:

[(1, 20403152), (2, 10201576), (4, 5100788), (7, 2914736), (8, 2550394), (11, 1854832), (14, 1457368), (16, 1275197), (22, 927416), (28, 728684), (44, 463708), (56, 364342), (77, 264976), (88, 231854), (112, 182171), (154, 132488), (176, 115927), (308, 66244), (616, 33122), (1232, 16561)]