20381710

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13679}}^1$

素因数の和:13835

約数の個数: 16

約数和(自身を含む): 36936000

約数和(自身を除く): 16554290

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 13679, 27358, 68395, 136790, 2038171, 4076342, 10190855, 20381710]

約数ペア:

[(1, 20381710), (2, 10190855), (5, 4076342), (10, 2038171), (149, 136790), (298, 68395), (745, 27358), (1490, 13679)]