20788816

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12143}}^1$

素因数の和:12258

約数の個数: 20

約数和(自身を含む): 40658112

約数和(自身を除く): 19869296

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12143, 24286, 48572, 97144, 194288, 1299301, 2598602, 5197204, 10394408, 20788816]

約数ペア:

[(1, 20788816), (2, 10394408), (4, 5197204), (8, 2598602), (16, 1299301), (107, 194288), (214, 97144), (428, 48572), (856, 24286), (1712, 12143)]