20911232

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{7103}}^1$

素因数の和:7140

約数の個数: 32

約数和(自身を含む): 43476480

約数和(自身を除く): 22565248

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 7103, 14206, 28412, 56824, 113648, 163369, 227296, 326738, 454592, 653476, 909184, 1306952, 2613904, 5227808, 10455616, 20911232]

約数ペア:

[(1, 20911232), (2, 10455616), (4, 5227808), (8, 2613904), (16, 1306952), (23, 909184), (32, 653476), (46, 454592), (64, 326738), (92, 227296), (128, 163369), (184, 113648), (368, 56824), (736, 28412), (1472, 14206), (2944, 7103)]