20958464

素因数分解:

$2^8\times {\mathrm{81869}}^1$

素因数の和:81885

約数の個数: 18

約数和(自身を含む): 41835570

約数和(自身を除く): 20877106

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 81869, 163738, 327476, 654952, 1309904, 2619808, 5239616, 10479232, 20958464]

約数ペア:

[(1, 20958464), (2, 10479232), (4, 5239616), (8, 2619808), (16, 1309904), (32, 654952), (64, 327476), (128, 163738), (256, 81869)]