20743856

素因数分解:

$2^4\times 7^2\times {\mathrm{26459}}^1$

素因数の和:26481

約数の個数: 30

約数和(自身を含む): 46754820

約数和(自身を除く): 26010964

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26459, 52918, 105836, 185213, 211672, 370426, 423344, 740852, 1296491, 1481704, 2592982, 2963408, 5185964, 10371928, 20743856]

約数ペア:

[(1, 20743856), (2, 10371928), (4, 5185964), (7, 2963408), (8, 2592982), (14, 1481704), (16, 1296491), (28, 740852), (49, 423344), (56, 370426), (98, 211672), (112, 185213), (196, 105836), (392, 52918), (784, 26459)]