20528896

素因数分解:

$2^8\times {\mathrm{80191}}^1$

素因数の和:80207

約数の個数: 18

約数和(自身を含む): 40978112

約数和(自身を除く): 20449216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 80191, 160382, 320764, 641528, 1283056, 2566112, 5132224, 10264448, 20528896]

約数ペア:

[(1, 20528896), (2, 10264448), (4, 5132224), (8, 2566112), (16, 1283056), (32, 641528), (64, 320764), (128, 160382), (256, 80191)]