20579730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{685991}}^1$

素因数の和:686001

約数の個数: 16

約数和(自身を含む): 49391424

約数和(自身を除く): 28811694

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 685991, 1371982, 2057973, 3429955, 4115946, 6859910, 10289865, 20579730]

約数ペア:

[(1, 20579730), (2, 10289865), (3, 6859910), (5, 4115946), (6, 3429955), (10, 2057973), (15, 1371982), (30, 685991)]