20455085

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{11027}}^1$

素因数の和:11092

約数の個数: 16

約数和(自身を含む): 28584576

約数和(自身を除く): 8129491

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 11027, 55135, 77189, 385945, 584431, 2922155, 4091017, 20455085]

約数ペア:

[(1, 20455085), (5, 4091017), (7, 2922155), (35, 584431), (53, 385945), (265, 77189), (371, 55135), (1855, 11027)]