20382688

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14813}}^1$

素因数の和:14866

約数の個数: 24

約数和(自身を含む): 41064408

約数和(自身を除く): 20681720

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14813, 29626, 59252, 118504, 237008, 474016, 636959, 1273918, 2547836, 5095672, 10191344, 20382688]

約数ペア:

[(1, 20382688), (2, 10191344), (4, 5095672), (8, 2547836), (16, 1273918), (32, 636959), (43, 474016), (86, 237008), (172, 118504), (344, 59252), (688, 29626), (1376, 14813)]