20171249905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2288287}}^1$

素因数の和:2288376

約数の個数: 16

約数和(自身を含む): 25372537344

約数和(自身を除く): 5201287439

約数列:

[1, 5, 41, 43, 205, 215, 1763, 8815, 2288287, 11441435, 93819767, 98396341, 469098835, 491981705, 4034249981, 20171249905]

約数ペア:

[(1, 20171249905), (5, 4034249981), (41, 491981705), (43, 469098835), (205, 98396341), (215, 93819767), (1763, 11441435), (8815, 2288287)]