20909152

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 24378272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 191, 311, 352, 382, 622, 764, 1244, 1528, 2101, 2488, 3056, 3421, 4202, 4976, 6112, 6842, 8404, 9952, 13684, 16808, 27368, 33616, 54736, 59401, 67232, 109472, 118802, 237604, 475208, 653411, 950416, 1306822, 1900832, 2613644, 5227288, 10454576, 20909152]

約数ペア:

[(1, 20909152), (2, 10454576), (4, 5227288), (8, 2613644), (11, 1900832), (16, 1306822), (22, 950416), (32, 653411), (44, 475208), (88, 237604), (176, 118802), (191, 109472), (311, 67232), (352, 59401), (382, 54736), (622, 33616), (764, 27368), (1244, 16808), (1528, 13684), (2101, 9952), (2488, 8404), (3056, 6842), (3421, 6112), (4202, 4976)]