20838832

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4327}}^1$

素因数の和:4385

約数の個数: 40

約数和(自身を含む): 47227136

約数和(自身を除く): 26388304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4327, 4816, 8654, 17308, 30289, 34616, 60578, 69232, 121156, 186061, 242312, 372122, 484624, 744244, 1302427, 1488488, 2604854, 2976976, 5209708, 10419416, 20838832]

約数ペア:

[(1, 20838832), (2, 10419416), (4, 5209708), (7, 2976976), (8, 2604854), (14, 1488488), (16, 1302427), (28, 744244), (43, 484624), (56, 372122), (86, 242312), (112, 186061), (172, 121156), (301, 69232), (344, 60578), (602, 34616), (688, 30289), (1204, 17308), (2408, 8654), (4327, 4816)]