20788405561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{733}}^1\times {\mathrm{839}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 26043494400

約数和(自身を除く): 5255088839

約数列:

[1, 7, 11, 77, 439, 733, 839, 3073, 4829, 5131, 5873, 8063, 9229, 33803, 56441, 64603, 321787, 368321, 614987, 2252509, 2578247, 3539657, 4051531, 4304909, 6764857, 24777599, 28360717, 47353999, 269979293, 1889855051, 2969772223, 20788405561]

約数ペア:

[(1, 20788405561), (7, 2969772223), (11, 1889855051), (77, 269979293), (439, 47353999), (733, 28360717), (839, 24777599), (3073, 6764857), (4829, 4304909), (5131, 4051531), (5873, 3539657), (8063, 2578247), (9229, 2252509), (33803, 614987), (56441, 368321), (64603, 321787)]