20827569

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18713}}^1$

素因数の和:18776

約数の個数: 16

約数和(自身を含む): 32337792

約数和(自身を除く): 11510223

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18713, 56139, 130991, 392973, 991789, 2975367, 6942523, 20827569]

約数ペア:

[(1, 20827569), (3, 6942523), (7, 2975367), (21, 991789), (53, 392973), (159, 130991), (371, 56139), (1113, 18713)]