20874284

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2477

約数の個数: 24

約数和(自身を含む): 38255616

約数和(自身を除く): 17381332

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2371, 4402, 4742, 8804, 9484, 73501, 147002, 168341, 294004, 336682, 673364, 5218571, 10437142, 20874284]

約数ペア:

[(1, 20874284), (2, 10437142), (4, 5218571), (31, 673364), (62, 336682), (71, 294004), (124, 168341), (142, 147002), (284, 73501), (2201, 9484), (2371, 8804), (4402, 4742)]