66720018

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{16823}}^1$

素因数の和:17489

約数の個数: 16

約数和(自身を含む): 133649856

約数和(自身を除く): 66929838

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 16823, 33646, 50469, 100938, 11120003, 22240006, 33360009, 66720018]

約数ペア:

[(1, 66720018), (2, 33360009), (3, 22240006), (6, 11120003), (661, 100938), (1322, 50469), (1983, 33646), (3966, 16823)]