20309349

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 7269531

約数列:

[1, 3, 107, 151, 321, 419, 453, 1257, 16157, 44833, 48471, 63269, 134499, 189807, 6769783, 20309349]

約数ペア:

[(1, 20309349), (3, 6769783), (107, 189807), (151, 134499), (321, 63269), (419, 48471), (453, 44833), (1257, 16157)]