20500168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197117}}^1$

素因数の和:197136

約数の個数: 16

約数和(自身を含む): 41394780

約数和(自身を除く): 20894612

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197117, 394234, 788468, 1576936, 2562521, 5125042, 10250084, 20500168]

約数ペア:

[(1, 20500168), (2, 10250084), (4, 5125042), (8, 2562521), (13, 1576936), (26, 788468), (52, 394234), (104, 197117)]