20617616

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12043}}^1$

素因数の和:12158

約数の個数: 20

約数和(自身を含む): 40323312

約数和(自身を除く): 19705696

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12043, 24086, 48172, 96344, 192688, 1288601, 2577202, 5154404, 10308808, 20617616]

約数ペア:

[(1, 20617616), (2, 10308808), (4, 5154404), (8, 2577202), (16, 1288601), (107, 192688), (214, 96344), (428, 48172), (856, 24086), (1712, 12043)]