20204676

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 54454400

約数和(自身を除く): 34249724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 271, 327, 342, 436, 542, 654, 684, 813, 981, 1084, 1308, 1626, 1962, 2071, 2439, 3252, 3924, 4142, 4878, 5149, 6213, 8284, 9756, 10298, 12426, 15447, 18639, 20596, 24852, 29539, 30894, 37278, 46341, 59078, 61788, 74556, 88617, 92682, 118156, 177234, 185364, 265851, 354468, 531702, 561241, 1063404, 1122482, 1683723, 2244964, 3367446, 5051169, 6734892, 10102338, 20204676]

約数ペア:

[(1, 20204676), (2, 10102338), (3, 6734892), (4, 5051169), (6, 3367446), (9, 2244964), (12, 1683723), (18, 1122482), (19, 1063404), (36, 561241), (38, 531702), (57, 354468), (76, 265851), (109, 185364), (114, 177234), (171, 118156), (218, 92682), (228, 88617), (271, 74556), (327, 61788), (342, 59078), (436, 46341), (542, 37278), (654, 30894), (684, 29539), (813, 24852), (981, 20596), (1084, 18639), (1308, 15447), (1626, 12426), (1962, 10298), (2071, 9756), (2439, 8284), (3252, 6213), (3924, 5149), (4142, 4878)]