20025856

素因数分解:

$2^9\times {\mathrm{39113}}^1$

素因数の和:39131

約数の個数: 20

約数和(自身を含む): 40013622

約数和(自身を除く): 19987766

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39113, 78226, 156452, 312904, 625808, 1251616, 2503232, 5006464, 10012928, 20025856]

約数ペア:

[(1, 20025856), (2, 10012928), (4, 5006464), (8, 2503232), (16, 1251616), (32, 625808), (64, 312904), (128, 156452), (256, 78226), (512, 39113)]