20120708

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1051

約数の個数: 24

約数和(自身を含む): 36251712

約数和(自身を除く): 16131004

約数列:

[1, 2, 4, 53, 106, 107, 212, 214, 428, 887, 1774, 3548, 5671, 11342, 22684, 47011, 94022, 94909, 188044, 189818, 379636, 5030177, 10060354, 20120708]

約数ペア:

[(1, 20120708), (2, 10060354), (4, 5030177), (53, 379636), (106, 189818), (107, 188044), (212, 94909), (214, 94022), (428, 47011), (887, 22684), (1774, 11342), (3548, 5671)]