20011664

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12143}}^1$

素因数の和:12254

約数の個数: 20

約数和(自身を含む): 39152256

約数和(自身を除く): 19140592

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12143, 24286, 48572, 97144, 194288, 1250729, 2501458, 5002916, 10005832, 20011664]

約数ペア:

[(1, 20011664), (2, 10005832), (4, 5002916), (8, 2501458), (16, 1250729), (103, 194288), (206, 97144), (412, 48572), (824, 24286), (1648, 12143)]