20201387576

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{1951}}^1\times {\mathrm{34981}}^1$

素因数の和:36975

約数の個数: 32

約数和(自身を含む): 38922372480

約数和(自身を除く): 18720984904

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 1951, 3902, 7804, 15608, 34981, 69962, 72187, 139924, 144374, 279848, 288748, 577496, 1294297, 2588594, 5177188, 10354376, 68247931, 136495862, 272991724, 545983448, 2525173447, 5050346894, 10100693788, 20201387576]

約数ペア:

[(1, 20201387576), (2, 10100693788), (4, 5050346894), (8, 2525173447), (37, 545983448), (74, 272991724), (148, 136495862), (296, 68247931), (1951, 10354376), (3902, 5177188), (7804, 2588594), (15608, 1294297), (34981, 577496), (69962, 288748), (72187, 279848), (139924, 144374)]