20827810

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9871}}^1$

素因数の和:10089

約数の個数: 16

約数和(自身を含む): 37671552

約数和(自身を除く): 16843742

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9871, 19742, 49355, 98710, 2082781, 4165562, 10413905, 20827810]

約数ペア:

[(1, 20827810), (2, 10413905), (5, 4165562), (10, 2082781), (211, 98710), (422, 49355), (1055, 19742), (2110, 9871)]