20471168

素因数分解:

$2^7\times {\mathrm{159931}}^1$

素因数の和:159945

約数の個数: 16

約数和(自身を含む): 40782660

約数和(自身を除く): 20311492

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 159931, 319862, 639724, 1279448, 2558896, 5117792, 10235584, 20471168]

約数ペア:

[(1, 20471168), (2, 10235584), (4, 5117792), (8, 2558896), (16, 1279448), (32, 639724), (64, 319862), (128, 159931)]