20169507

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{821}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 28408320

約数和(自身を除く): 8238813

約数列:

[1, 3, 19, 57, 431, 821, 1293, 2463, 8189, 15599, 24567, 46797, 353851, 1061553, 6723169, 20169507]

約数ペア:

[(1, 20169507), (3, 6723169), (19, 1061553), (57, 353851), (431, 46797), (821, 24567), (1293, 15599), (2463, 8189)]