20736693898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{42643}}^1$

素因数の和:42922

約数の個数: 32

約数和(自身を含む): 33405603840

約数和(自身を除く): 12668909942

約数列:

[1, 2, 19, 38, 67, 134, 191, 382, 1273, 2546, 3629, 7258, 12797, 25594, 42643, 85286, 243143, 486286, 810217, 1620434, 2857081, 5714162, 8144813, 16289626, 54284539, 108569078, 154751447, 309502894, 545702471, 1091404942, 10368346949, 20736693898]

約数ペア:

[(1, 20736693898), (2, 10368346949), (19, 1091404942), (38, 545702471), (67, 309502894), (134, 154751447), (191, 108569078), (382, 54284539), (1273, 16289626), (2546, 8144813), (3629, 5714162), (7258, 2857081), (12797, 1620434), (25594, 810217), (42643, 486286), (85286, 243143)]