20492510

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47657}}^1$

素因数の和:47707

約数の個数: 16

約数和(自身を含む): 37745136

約数和(自身を除く): 17252626

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47657, 95314, 238285, 476570, 2049251, 4098502, 10246255, 20492510]

約数ペア:

[(1, 20492510), (2, 10246255), (5, 4098502), (10, 2049251), (43, 476570), (86, 238285), (215, 95314), (430, 47657)]