20905232

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12211}}^1$

素因数の和:12326

約数の個数: 20

約数和(自身を含む): 40885776

約数和(自身を除く): 19980544

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12211, 24422, 48844, 97688, 195376, 1306577, 2613154, 5226308, 10452616, 20905232]

約数ペア:

[(1, 20905232), (2, 10452616), (4, 5226308), (8, 2613154), (16, 1306577), (107, 195376), (214, 97688), (428, 48844), (856, 24422), (1712, 12211)]