20926208

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1960

約数の個数: 36

約数和(自身を含む): 42764568

約数和(自身を除く): 21838360

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1901, 2752, 3802, 5504, 7604, 11008, 15208, 30416, 60832, 81743, 121664, 163486, 243328, 326972, 486656, 653944, 1307888, 2615776, 5231552, 10463104, 20926208]

約数ペア:

[(1, 20926208), (2, 10463104), (4, 5231552), (8, 2615776), (16, 1307888), (32, 653944), (43, 486656), (64, 326972), (86, 243328), (128, 163486), (172, 121664), (256, 81743), (344, 60832), (688, 30416), (1376, 15208), (1901, 11008), (2752, 7604), (3802, 5504)]