20700648

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2687}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 35908632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2687, 3852, 5374, 7704, 8061, 10748, 16122, 21496, 24183, 32244, 48366, 64488, 96732, 193464, 287509, 575018, 862527, 1150036, 1725054, 2300072, 2587581, 3450108, 5175162, 6900216, 10350324, 20700648]

約数ペア:

[(1, 20700648), (2, 10350324), (3, 6900216), (4, 5175162), (6, 3450108), (8, 2587581), (9, 2300072), (12, 1725054), (18, 1150036), (24, 862527), (36, 575018), (72, 287509), (107, 193464), (214, 96732), (321, 64488), (428, 48366), (642, 32244), (856, 24183), (963, 21496), (1284, 16122), (1926, 10748), (2568, 8061), (2687, 7704), (3852, 5374)]