20483649076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{5153}}^1$

素因数の和:5413

約数の個数: 72

約数和(自身を含む): 40536663552

約数和(自身を除く): 20053014476

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 191, 242, 382, 473, 484, 764, 946, 1892, 2101, 4202, 5153, 5203, 8213, 8404, 10306, 10406, 16426, 20612, 20812, 23111, 32852, 46222, 56683, 90343, 92444, 113366, 180686, 221579, 226732, 361372, 443158, 623513, 886316, 984223, 993773, 1247026, 1968446, 1987546, 2437369, 2494052, 3936892, 3975092, 4874738, 9749476, 10826453, 21652906, 26811059, 42321589, 43305812, 53622118, 84643178, 107244236, 119090983, 169286356, 238181966, 465537479, 476363932, 931074958, 1862149916, 5120912269, 10241824538, 20483649076]

約数ペア:

[(1, 20483649076), (2, 10241824538), (4, 5120912269), (11, 1862149916), (22, 931074958), (43, 476363932), (44, 465537479), (86, 238181966), (121, 169286356), (172, 119090983), (191, 107244236), (242, 84643178), (382, 53622118), (473, 43305812), (484, 42321589), (764, 26811059), (946, 21652906), (1892, 10826453), (2101, 9749476), (4202, 4874738), (5153, 3975092), (5203, 3936892), (8213, 2494052), (8404, 2437369), (10306, 1987546), (10406, 1968446), (16426, 1247026), (20612, 993773), (20812, 984223), (23111, 886316), (32852, 623513), (46222, 443158), (56683, 361372), (90343, 226732), (92444, 221579), (113366, 180686)]