20048578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21193}}^1$

素因数の和:21249

約数の個数: 16

約数和(自身を含む): 33571296

約数和(自身を除く): 13522718

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21193, 42386, 233123, 466246, 911299, 1822598, 10024289, 20048578]

約数ペア:

[(1, 20048578), (2, 10024289), (11, 1822598), (22, 911299), (43, 466246), (86, 233123), (473, 42386), (946, 21193)]