20512030175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9016277}}^1$

素因数の和:9016307

約数の個数: 24

約数和(自身を含む): 31304517216

約数和(自身を除く): 10792487041

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 9016277, 45081385, 63113939, 117211601, 225406925, 315569695, 586058005, 820481207, 1577848475, 2930290025, 4102406035, 20512030175]

約数ペア:

[(1, 20512030175), (5, 4102406035), (7, 2930290025), (13, 1577848475), (25, 820481207), (35, 586058005), (65, 315569695), (91, 225406925), (175, 117211601), (325, 63113939), (455, 45081385), (2275, 9016277)]