20270169

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13171}}^1$

素因数の和:13202

約数の個数: 20

約数和(自身を含む): 31876240

約数和(自身を除く): 11606071

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13171, 39513, 118539, 250249, 355617, 750747, 1066851, 2252241, 6756723, 20270169]

約数ペア:

[(1, 20270169), (3, 6756723), (9, 2252241), (19, 1066851), (27, 750747), (57, 355617), (81, 250249), (171, 118539), (513, 39513), (1539, 13171)]