20738427

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 28435968

約数和(自身を除く): 7697541

約数列:

[1, 3, 43, 129, 373, 431, 1119, 1293, 16039, 18533, 48117, 55599, 160763, 482289, 6912809, 20738427]

約数ペア:

[(1, 20738427), (3, 6912809), (43, 482289), (129, 160763), (373, 55599), (431, 48117), (1119, 18533), (1293, 16039)]