20469376

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3719}}^1$

素因数の和:3776

約数の個数: 32

約数和(自身を含む): 41738400

約数和(自身を除く): 21269024

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3719, 5504, 7438, 14876, 29752, 59504, 119008, 159917, 238016, 319834, 476032, 639668, 1279336, 2558672, 5117344, 10234688, 20469376]

約数ペア:

[(1, 20469376), (2, 10234688), (4, 5117344), (8, 2558672), (16, 1279336), (32, 639668), (43, 476032), (64, 319834), (86, 238016), (128, 159917), (172, 119008), (344, 59504), (688, 29752), (1376, 14876), (2752, 7438), (3719, 5504)]