20800802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4481}}^1$

素因数の和:4705

約数の個数: 16

約数和(自身を含む): 34206624

約数和(自身を除く): 13405822

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4481, 4642, 8962, 49291, 98582, 945491, 1890982, 10400401, 20800802]

約数ペア:

[(1, 20800802), (2, 10400401), (11, 1890982), (22, 945491), (211, 98582), (422, 49291), (2321, 8962), (4481, 4642)]