20512157891

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{429547}}^1$

素因数の和:429670

約数の個数: 12

約数和(自身を含む): 22136326632

約数和(自身を除く): 1624168741

約数列:

[1, 17, 53, 901, 2809, 47753, 429547, 7302299, 22765991, 387021847, 1206597523, 20512157891]

約数ペア:

[(1, 20512157891), (17, 1206597523), (53, 387021847), (901, 22765991), (2809, 7302299), (47753, 429547)]