20154464

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1899

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 24552352

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 1847, 2728, 3694, 5456, 7388, 10912, 14776, 20317, 29552, 40634, 57257, 59104, 81268, 114514, 162536, 229028, 325072, 458056, 629827, 650144, 916112, 1259654, 1832224, 2519308, 5038616, 10077232, 20154464]

約数ペア:

[(1, 20154464), (2, 10077232), (4, 5038616), (8, 2519308), (11, 1832224), (16, 1259654), (22, 916112), (31, 650144), (32, 629827), (44, 458056), (62, 325072), (88, 229028), (124, 162536), (176, 114514), (248, 81268), (341, 59104), (352, 57257), (496, 40634), (682, 29552), (992, 20317), (1364, 14776), (1847, 10912), (2728, 7388), (3694, 5456)]