20173472

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 43690752

約数和(自身を除く): 23517280

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 223, 257, 352, 446, 514, 892, 1028, 1784, 2056, 2453, 2827, 3568, 4112, 4906, 5654, 7136, 8224, 9812, 11308, 19624, 22616, 39248, 45232, 57311, 78496, 90464, 114622, 229244, 458488, 630421, 916976, 1260842, 1833952, 2521684, 5043368, 10086736, 20173472]

約数ペア:

[(1, 20173472), (2, 10086736), (4, 5043368), (8, 2521684), (11, 1833952), (16, 1260842), (22, 916976), (32, 630421), (44, 458488), (88, 229244), (176, 114622), (223, 90464), (257, 78496), (352, 57311), (446, 45232), (514, 39248), (892, 22616), (1028, 19624), (1784, 11308), (2056, 9812), (2453, 8224), (2827, 7136), (3568, 5654), (4112, 4906)]