20152759

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 22938624

約数和(自身を除く): 2785865

約数列:

[1, 11, 31, 113, 341, 523, 1243, 3503, 5753, 16213, 38533, 59099, 178343, 650089, 1832069, 20152759]

約数ペア:

[(1, 20152759), (11, 1832069), (31, 650089), (113, 178343), (341, 59099), (523, 38533), (1243, 16213), (3503, 5753)]