20749312

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:924

約数の個数: 44

約数和(自身を含む): 43330896

約数和(自身を除く): 22581584

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 881, 1024, 1472, 1762, 2944, 3524, 5888, 7048, 11776, 14096, 20263, 23552, 28192, 40526, 56384, 81052, 112768, 162104, 225536, 324208, 451072, 648416, 902144, 1296832, 2593664, 5187328, 10374656, 20749312]

約数ペア:

[(1, 20749312), (2, 10374656), (4, 5187328), (8, 2593664), (16, 1296832), (23, 902144), (32, 648416), (46, 451072), (64, 324208), (92, 225536), (128, 162104), (184, 112768), (256, 81052), (368, 56384), (512, 40526), (736, 28192), (881, 23552), (1024, 20263), (1472, 14096), (1762, 11776), (2944, 7048), (3524, 5888)]