20258336

素因数分解:

$2^5\times 7^1\times {\mathrm{90439}}^1$

素因数の和:90456

約数の個数: 24

約数和(自身を含む): 45581760

約数和(自身を除く): 25323424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90439, 180878, 361756, 633073, 723512, 1266146, 1447024, 2532292, 2894048, 5064584, 10129168, 20258336]

約数ペア:

[(1, 20258336), (2, 10129168), (4, 5064584), (7, 2894048), (8, 2532292), (14, 1447024), (16, 1266146), (28, 723512), (32, 633073), (56, 361756), (112, 180878), (224, 90439)]