20619147

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{877}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 29205792

約数和(自身を除く): 8586645

約数列:

[1, 3, 17, 51, 461, 877, 1383, 2631, 7837, 14909, 23511, 44727, 404297, 1212891, 6873049, 20619147]

約数ペア:

[(1, 20619147), (3, 6873049), (17, 1212891), (51, 404297), (461, 44727), (877, 23511), (1383, 14909), (2631, 7837)]