20981728

素因数分解:

$2^5\times {\mathrm{587}}^1\times {\mathrm{1117}}^1$

素因数の和:1714

約数の個数: 24

約数和(自身を含む): 41415192

約数和(自身を除く): 20433464

約数列:

[1, 2, 4, 8, 16, 32, 587, 1117, 1174, 2234, 2348, 4468, 4696, 8936, 9392, 17872, 18784, 35744, 655679, 1311358, 2622716, 5245432, 10490864, 20981728]

約数ペア:

[(1, 20981728), (2, 10490864), (4, 5245432), (8, 2622716), (16, 1311358), (32, 655679), (587, 35744), (1117, 18784), (1174, 17872), (2234, 9392), (2348, 8936), (4468, 4696)]