20407456

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14831}}^1$

素因数の和:14884

約数の個数: 24

約数和(自身を含む): 41114304

約数和(自身を除く): 20706848

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14831, 29662, 59324, 118648, 237296, 474592, 637733, 1275466, 2550932, 5101864, 10203728, 20407456]

約数ペア:

[(1, 20407456), (2, 10203728), (4, 5101864), (8, 2550932), (16, 1275466), (32, 637733), (43, 474592), (86, 237296), (172, 118648), (344, 59324), (688, 29662), (1376, 14831)]