20408268

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73943}}^1$

素因数の和:73973

約数の個数: 24

約数和(自身を含む): 49690368

約数和(自身を除く): 29282100

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 73943, 147886, 221829, 295772, 443658, 887316, 1700689, 3401378, 5102067, 6802756, 10204134, 20408268]

約数ペア:

[(1, 20408268), (2, 10204134), (3, 6802756), (4, 5102067), (6, 3401378), (12, 1700689), (23, 887316), (46, 443658), (69, 295772), (92, 221829), (138, 147886), (276, 73943)]