20676010

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4211}}^1$

素因数の和:4709

約数の個数: 16

約数和(自身を含む): 37301472

約数和(自身を除く): 16625462

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4211, 4910, 8422, 21055, 42110, 2067601, 4135202, 10338005, 20676010]

約数ペア:

[(1, 20676010), (2, 10338005), (5, 4135202), (10, 2067601), (491, 42110), (982, 21055), (2455, 8422), (4211, 4910)]