20121852978

素因数分解:

$2^1\times 3^4\times {\mathrm{124208969}}^1$

素因数の和:124208983

約数の個数: 20

約数和(自身を含む): 45087856110

約数和(自身を除く): 24966003132

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 124208969, 248417938, 372626907, 745253814, 1117880721, 2235761442, 3353642163, 6707284326, 10060926489, 20121852978]

約数ペア:

[(1, 20121852978), (2, 10060926489), (3, 6707284326), (6, 3353642163), (9, 2235761442), (18, 1117880721), (27, 745253814), (54, 372626907), (81, 248417938), (162, 124208969)]