20255248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97381}}^1$

素因数の和:97402

約数の個数: 20

約数和(自身を含む): 42263788

約数和(自身を除く): 22008540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97381, 194762, 389524, 779048, 1265953, 1558096, 2531906, 5063812, 10127624, 20255248]

約数ペア:

[(1, 20255248), (2, 10127624), (4, 5063812), (8, 2531906), (13, 1558096), (16, 1265953), (26, 779048), (52, 389524), (104, 194762), (208, 97381)]