20430681

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1579}}^1$

素因数の和:1828

約数の個数: 16

約数和(自身を含む): 28819200

約数和(自身を除く): 8388519

約数列:

[1, 3, 19, 57, 227, 681, 1579, 4313, 4737, 12939, 30001, 90003, 358433, 1075299, 6810227, 20430681]

約数ペア:

[(1, 20430681), (3, 6810227), (19, 1075299), (57, 358433), (227, 90003), (681, 30001), (1579, 12939), (4313, 4737)]