20178690819

素因数分解:

$3^1\times 7^1\times {\mathrm{960890039}}^1$

素因数の和:960890049

約数の個数: 8

約数和(自身を含む): 30748481280

約数和(自身を除く): 10569790461

約数列:

[1, 3, 7, 21, 960890039, 2882670117, 6726230273, 20178690819]

約数ペア:

[(1, 20178690819), (3, 6726230273), (7, 2882670117), (21, 960890039)]