20273128

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 39045600

約数和(自身を除く): 18772472

約数列:

[1, 2, 4, 8, 67, 109, 134, 218, 268, 347, 436, 536, 694, 872, 1388, 2776, 7303, 14606, 23249, 29212, 37823, 46498, 58424, 75646, 92996, 151292, 185992, 302584, 2534141, 5068282, 10136564, 20273128]

約数ペア:

[(1, 20273128), (2, 10136564), (4, 5068282), (8, 2534141), (67, 302584), (109, 185992), (134, 151292), (218, 92996), (268, 75646), (347, 58424), (436, 46498), (536, 37823), (694, 29212), (872, 23249), (1388, 14606), (2776, 7303)]