20527804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6571}}^1$

素因数の和:6657

約数の個数: 24

約数和(自身を含む): 39747456

約数和(自身を除く): 19219652

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6571, 13142, 26284, 72281, 144562, 289124, 466541, 933082, 1866164, 5131951, 10263902, 20527804]

約数ペア:

[(1, 20527804), (2, 10263902), (4, 5131951), (11, 1866164), (22, 933082), (44, 466541), (71, 289124), (142, 144562), (284, 72281), (781, 26284), (1562, 13142), (3124, 6571)]