20309648

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7013}}^1$

素因数の和:7202

約数の個数: 20

約数和(自身を含む): 39572988

約数和(自身を除く): 19263340

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7013, 14026, 28052, 56104, 112208, 1269353, 2538706, 5077412, 10154824, 20309648]

約数ペア:

[(1, 20309648), (2, 10154824), (4, 5077412), (8, 2538706), (16, 1269353), (181, 112208), (362, 56104), (724, 28052), (1448, 14026), (2896, 7013)]