20437863

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{977}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 28792320

約数和(自身を除く): 8354457

約数列:

[1, 3, 19, 57, 367, 977, 1101, 2931, 6973, 18563, 20919, 55689, 358559, 1075677, 6812621, 20437863]

約数ペア:

[(1, 20437863), (3, 6812621), (19, 1075677), (57, 358559), (367, 55689), (977, 20919), (1101, 18563), (2931, 6973)]