20424656

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4241}}^1$

素因数の和:4299

約数の個数: 40

約数和(自身を含む): 46288704

約数和(自身を除く): 25864048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4241, 4816, 8482, 16964, 29687, 33928, 59374, 67856, 118748, 182363, 237496, 364726, 474992, 729452, 1276541, 1458904, 2553082, 2917808, 5106164, 10212328, 20424656]

約数ペア:

[(1, 20424656), (2, 10212328), (4, 5106164), (7, 2917808), (8, 2553082), (14, 1458904), (16, 1276541), (28, 729452), (43, 474992), (56, 364726), (86, 237496), (112, 182363), (172, 118748), (301, 67856), (344, 59374), (602, 33928), (688, 29687), (1204, 16964), (2408, 8482), (4241, 4816)]