20208896

素因数分解:

$2^8\times {\mathrm{78941}}^1$

素因数の和:78957

約数の個数: 18

約数和(自身を含む): 40339362

約数和(自身を除く): 20130466

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78941, 157882, 315764, 631528, 1263056, 2526112, 5052224, 10104448, 20208896]

約数ペア:

[(1, 20208896), (2, 10104448), (4, 5052224), (8, 2526112), (16, 1263056), (32, 631528), (64, 315764), (128, 157882), (256, 78941)]