20113936

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 40979520

約数和(自身を除く): 20865584

約数列:

[1, 2, 4, 8, 16, 29, 58, 67, 116, 134, 232, 268, 464, 536, 647, 1072, 1294, 1943, 2588, 3886, 5176, 7772, 10352, 15544, 18763, 31088, 37526, 43349, 75052, 86698, 150104, 173396, 300208, 346792, 693584, 1257121, 2514242, 5028484, 10056968, 20113936]

約数ペア:

[(1, 20113936), (2, 10056968), (4, 5028484), (8, 2514242), (16, 1257121), (29, 693584), (58, 346792), (67, 300208), (116, 173396), (134, 150104), (232, 86698), (268, 75052), (464, 43349), (536, 37526), (647, 31088), (1072, 18763), (1294, 15544), (1943, 10352), (2588, 7772), (3886, 5176)]