20125688

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 43953840

約数和(自身を除く): 23828152

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 968, 1223, 1496, 2057, 2446, 4114, 4892, 8228, 9784, 13453, 16456, 20791, 26906, 41582, 53812, 83164, 107624, 147983, 166328, 228701, 295966, 457402, 591932, 914804, 1183864, 1829608, 2515711, 5031422, 10062844, 20125688]

約数ペア:

[(1, 20125688), (2, 10062844), (4, 5031422), (8, 2515711), (11, 1829608), (17, 1183864), (22, 914804), (34, 591932), (44, 457402), (68, 295966), (88, 228701), (121, 166328), (136, 147983), (187, 107624), (242, 83164), (374, 53812), (484, 41582), (748, 26906), (968, 20791), (1223, 16456), (1496, 13453), (2057, 9784), (2446, 8228), (4114, 4892)]