20520307072

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{78317}}^1$

素因数の和:78443

約数の個数: 64

約数和(自身を含む): 43137554400

約数和(自身を除く): 22617247328

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 128, 178, 184, 356, 368, 712, 736, 1424, 1472, 2047, 2848, 2944, 4094, 5696, 8188, 11392, 16376, 32752, 65504, 78317, 131008, 156634, 262016, 313268, 626536, 1253072, 1801291, 2506144, 3602582, 5012288, 6970213, 7205164, 10024576, 13940426, 14410328, 27880852, 28820656, 55761704, 57641312, 111523408, 115282624, 160314899, 223046816, 230565248, 320629798, 446093632, 641259596, 892187264, 1282519192, 2565038384, 5130076768, 10260153536, 20520307072]

約数ペア:

[(1, 20520307072), (2, 10260153536), (4, 5130076768), (8, 2565038384), (16, 1282519192), (23, 892187264), (32, 641259596), (46, 446093632), (64, 320629798), (89, 230565248), (92, 223046816), (128, 160314899), (178, 115282624), (184, 111523408), (356, 57641312), (368, 55761704), (712, 28820656), (736, 27880852), (1424, 14410328), (1472, 13940426), (2047, 10024576), (2848, 7205164), (2944, 6970213), (4094, 5012288), (5696, 3602582), (8188, 2506144), (11392, 1801291), (16376, 1253072), (32752, 626536), (65504, 313268), (78317, 262016), (131008, 156634)]