20123701911

素因数分解:

$3^3\times {\mathrm{9967}}^1\times {\mathrm{74779}}^1$

素因数の和:84755

約数の個数: 16

約数和(自身を含む): 29816281600

約数和(自身を除く): 9692579689

約数列:

[1, 3, 9, 27, 9967, 29901, 74779, 89703, 224337, 269109, 673011, 2019033, 745322293, 2235966879, 6707900637, 20123701911]

約数ペア:

[(1, 20123701911), (3, 6707900637), (9, 2235966879), (27, 745322293), (9967, 2019033), (29901, 673011), (74779, 269109), (89703, 224337)]