20556064

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14939}}^1$

素因数の和:14992

約数の個数: 24

約数和(自身を含む): 41413680

約数和(自身を除く): 20857616

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14939, 29878, 59756, 119512, 239024, 478048, 642377, 1284754, 2569508, 5139016, 10278032, 20556064]

約数ペア:

[(1, 20556064), (2, 10278032), (4, 5139016), (8, 2569508), (16, 1284754), (32, 642377), (43, 478048), (86, 239024), (172, 119512), (344, 59756), (688, 29878), (1376, 14939)]