20246578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40013}}^1$

素因数の和:40049

約数の個数: 16

約数和(自身を含む): 34572096

約数和(自身を除く): 14325518

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40013, 80026, 440143, 880286, 920299, 1840598, 10123289, 20246578]

約数ペア:

[(1, 20246578), (2, 10123289), (11, 1840598), (22, 920299), (23, 880286), (46, 440143), (253, 80026), (506, 40013)]