20696864

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{4721}}^1$

素因数の和:4868

約数の個数: 24

約数和(自身を含む): 41053068

約数和(自身を除く): 20356204

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4721, 9442, 18884, 37768, 75536, 151072, 646777, 1293554, 2587108, 5174216, 10348432, 20696864]

約数ペア:

[(1, 20696864), (2, 10348432), (4, 5174216), (8, 2587108), (16, 1293554), (32, 646777), (137, 151072), (274, 75536), (548, 37768), (1096, 18884), (2192, 9442), (4384, 4721)]