20608556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8191}}^1$

素因数の和:8249

約数の個数: 24

約数和(自身を含む): 39223296

約数和(自身を除く): 18614740

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8191, 16382, 32764, 139247, 278494, 303067, 556988, 606134, 1212268, 5152139, 10304278, 20608556]

約数ペア:

[(1, 20608556), (2, 10304278), (4, 5152139), (17, 1212268), (34, 606134), (37, 556988), (68, 303067), (74, 278494), (148, 139247), (629, 32764), (1258, 16382), (2516, 8191)]