20266544

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6563}}^1$

素因数の和:6764

約数の個数: 20

約数和(自身を含む): 39475896

約数和(自身を除く): 19209352

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6563, 13126, 26252, 52504, 105008, 1266659, 2533318, 5066636, 10133272, 20266544]

約数ペア:

[(1, 20266544), (2, 10133272), (4, 5066636), (8, 2533318), (16, 1266659), (193, 105008), (386, 52504), (772, 26252), (1544, 13126), (3088, 6563)]